7 6 5 4 2 0 1 2 3 2 ngjp ftpay; · 2020. 11. 9. · physics thapesan [ gf;fk; 0 g; ghu;f;f t...

PhysicS ThapesaN

fy;tpg; nghJj; juhjug; gj;jpu (cau;ju)g; guPl;ir�✁✂✁✄☎✆✝✁✄✞✟✠✟✡☎✞✁☛✠☞✌✍✡☎✞✟☛✂ ✎✏✌✑☎✂✡✁✌✒✁✑✁✆✓☞✔☎✕✟✂☎✞✟☛✂

ngsjPftpay; ✖✗✘✙✚✟✡✚ ✖

✛✜

✢ ✖

✝✍✄✄✁✂✞☞✆✁✡✞✄✟✡✟✞✙ ✣Xl;l kpd;dpay;

✢✘✁☛✄✙✤✥✍✁✚✞✟☛✂✚

✗✦✧★☞✒☞★✥✩★✛✛✜

✪✙✫ ✢✘☎✬✁✚☎✂✪✭✮✡✭☞✂✯ ✎✦☛✂✚✰✡✟✑✟✆✓

THE CITADEL INSTITUTE - WELLAWATTA, ACA INSTITUTE - KOTTAKENA

mwpKfk;>

,e;j myfpy; Vw;wq;fspd; mirT gw;wp Muha cs;Nshk;. ngsjPftpaypy; Vw;wq;fspd;

mirT Xl;l kpd;dpay; vdg;gLfpd;wJ. nts;sp> nrg;G> mYkpdpak; Nghd;w cNyhff;

flj;jpapd; mZf;fspd; ,Wjp Xl;by; cs;s ,yj;jpud;fs;> fUTld; Fiwe;j mstpyhd

ftu;r;rp tpirAld; xOf;fpy; tyk; te;J nfhz;bUf;Fk;. ,t;thwhd ,yj;jpud;fis

,yFthf fUtpd; ftu;r;rpapy; ,Ue;J tpLglr; nra;ayhk;. ,t; ,yj;jpud;fs; RahjPd

,yj;jpud;fs; vdg;gLfpd;wd. cNyhff; flj;jp xd;wpd; myF fdtstpy; Vwjhs 2810

tupirapyhd RahjPd ,yj;jpud;fs; ,Uf;Fk;. ,r; RahjPd ,yj;jpud;fspd; mirNt

kpd;Ndhl;lkhFk;.

kpd;Ndhl;lk;

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Neuj;Jld; khWgLk; Vw;wk; flj;jpapDhL ghAk; NghJ> Fwpj;j xU fzj;jpy;

kpd;Ndhl;lkhdJ Vw;wk; vjpu; Neu tiugpy; mf;Fwpj;j fzj;jpy; gbj;jpwid Jzptjd;

%yk; ngwg;gLk;.

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[ gf;fk; 02 [g; ghu;f;f

2001

✱ ✲ ✳ ✴ ✵✶ ✷ ✲ ✸ ✷✳ ✷ ✹ ✺ ✻✴ ✼

+

+

+

+

+

I

m

Q

t

PhysicS ThapesaN-02-


t Neuj;jpy; flj;jpapd; ahjhapDk; xU FWf;Fntl;Lg;gug;ig jhz;br; nry;Yk;

,yj;jpud;fspd; vz;zpf;if N MfTk;> ,yj;jpud; xd;wpd; Vw;wk; e MfTk; ,Ug;gpd;

flj;jpapDhlhd kpd;Ndhl;lk; I MdJ>

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kpd;Ndhl;lj;jpw;F gUkDk; jpirAk; ,Uf;fpd;w mNj Ntis kpd;Ndhl;lk; Xu;

vz;zpf;fzpakhFk;. fhuzk; ,J fhtpfis Nghd;W $l;lg;gLtjpy;iy. mjhtJ

fhtpf; $l;ly; tpjpfSf;F cl;gLtjpy;iy.

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cNyhff; flj;jpfspy; Neu; mad;fs; (fUf;fs;) mirtjpy;iy. kiw Vw;wq;fNs (RahjPd

,yj;jpud;fs;) mirfpd;wd. Neu; Vw;wk; mirAk; jpirNa kpd;Ndhl;lj;jpd; jpirahf

fUjg;gLfpd;wJ. vdNt ,yj;jpud; mirAk; jpirf;F vjpu;j;jpirapNyNa kpd;Ndhl;lk;

,Uf;Fk;.

01. flj;jp xd;wpDhL 20 C Vw;wk; 5 s ,y; flj;jpapd; FWf;Fntl;Lg;gug;ig jhz;Lk;

kpd;Ndhl;lj;jpd; msT ahJ?

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02. flj;jp xd;wpDhL 1.6A kpd;Ndhl;lk; ghAk; NghJ 1 s ,y; flj;jpapd; FWf;Fntl;Lg;gug;ig

jhz;Lk; ,yj;jpud;fspd; vz;zpf;if ahJ?

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03. [jurd; mZtpd; 115 10 m MiuAila xOf;fpy; ,yj;jpud; 6 12.2 10 ms fjpAld; tyk;

tUfpd;wJ. ,yj;jpudpd; mirtpw;F rktYthd kpd;Ndhl;lk; ahJ?

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,yj;jpud;fspd; ruhrup efuy; Ntfk;

cNyhff; flj;jpfs; ngUksthd RahjPd ,yj;jpud;fis nfhz;Ls;sd. ,r; RahjPd

,yj;jpud;fs; njhlu;r;rpahd vOe;jkhd ,af;fj;jpypUf;Fk;. ,e;j vOe;jkhd ,af;fj;jhy;

,it fUf;fSld; cau; Ntfj;jpy; NkhJif milfpd;wd. ,jdhy; xt;nthU

NkhJifapd; NghJk; mtw;wpd; ,af;fj;jpir khWgLk;. vdNt ,yj;jpudpd; ruhrup

Ntfk; JzpNthkhapd; mJ g+r;rpakhf mikAk;.

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FWf;F ntl;Lg;gug;G A Ak; ePsk; L ck; cila flj;jpf;F FWf;Nf kpd;fyk; xd;iw

,izf;Fk; NghJ ,yj;jpud;fs; Neu;j;jl;il Nehf;fp efUk;. mjd; ruhrup efuy; Ntfk;

V vdTk;> RahjPd ,yj;jpud;fspd; vz;zpf;if mlu;j;jp mjhtJ 31m fdtstpy;

cs;s RahjPd ,yj;jpud;fspd; vz;zpf;if n vdTk;> ,yj;jpud; xd;wpd; Vw;wk; e

vdTk; fUJf.

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04. myF fdtstpy; 288 10 ,yj;jpud;fis cila flj;jpapd; FWf;Fntl;Lg; gug;G

6 25 10 m MFk;. mjDhlhd kpd;Ndhl;lk; 16 A vdpd; ,yj;jpud;fspd; ruhrup efuy;

Ntfk; ahJ?

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kpd;Ndhl;l mlu;j;jp J

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kpd;Ndhl;l mlu;j;jp Xu; fhtpf; fzpak; MFk;. kpd;Ndhl;lkhdJ KOf; flj;jpapdJk;

xU ,ay;ghf ,Uf;fpd;wNghJk; kpd;Ndhl;l mlu;j;jp flj;jpapd; xU Gs;spapd; ,ay;ig

jUfpd;wJ.

kpd;dOj;j NtWghL (V)

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Note:

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05. flj;jp xd;wpd; 10V mOj;jNtWghL cs;s ,U Gs;spfspw;fpilapy; 4.3A kpd;Ndhl;lk;

gha;fpd;wNghJ myF Neuj;jpy; nra;Ak; Ntiy (tY) ahJ?

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Xkpd; tpjp

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Xkpd; tpjpf;fikAk; NghJ flj;jp xd;wpDhlhd kpd;Ndhl;lk; mjd; mOj;NtWghl;Lld;

khWgLk; tpjk; fPOs;sthW mikAk;.

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rhjhuz epge;jidfspy; jq;Fjd; ,io xd;wpDhL kpd;Ndhl;lk; ghAk; NghJ mJ

mOj;j NtWghl;Lld; khWgLk; tpjk; fPOs;sthW mikAk;.

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jil

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flj;jp xd;wpd; jil jq;fpAs;s fhuzpfs;

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jilj;jpwd; my;yJ jw;wil

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kpd;flj;Jjpwd;

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06. 32 jilAila flj;jp xd;W cUf;fg;gl;L Muk;g ePsj;jpd; miuthrp ePsKila

flj;jp cUthf;fg;gLfpd;wJ. Gjpa flj;jpapd; jil ahJ?

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07. R jilAila flj;jp xd;W cUf;fg;gl;L Muk;gf; FWf;Fntl;Lg; gug;gpd; miug;gq;F

FWf;Fntl;Lg; gug;Gila flj;jp cUthf;fg;gl;lJ. cUthf;fg;gl;l Gjpa flj;jpapd;

jil ahJ?

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08. R jilAila flj;jp xd;W cUf;fg;gl;L Muk;gf; FWf;Fntl;L Miuapd; miug;gq;F

FWf;Fntl;L MiuAila Gjpa flj;jp cUthf;fg;gl;lJ. cUthf;fg;gl;l Gjpa flj;jpapd;

jil ahJ?

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jilfis njhlu;epiyapy; ,izj;jy;

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jilfis rkhe;ju epiyapy; ,izj;jy;

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Note:

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R1 RR2 R3

R1

RR2

R3



09. gpd;tUk; tiyNtiyfspy; A,B Mfpa Gs;spfSf;fpilNa cs;s rktYj;jiliaf;

fhz;f.

1.

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A B

A B

BA

A B

A B



6.

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A

B

A

B

A

B

A

B

A

B

A B



12.

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A

B

A

B

BA

A B

A B



17.

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flj;jhW

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A

B

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B

A B



20.

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A B

A B

A B

A B

A B



25.

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A B

A

B

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A

B

A

B

A

B



31.

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35.

A B

A

B

A B

A

B

A

B

PhysicS ThapesaN

36.

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40.

A

B

A B

A B

A B

AB

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PhysicS ThapesaN

41.

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45.

A

B

A B

A

B

A B

A B

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PhysicS ThapesaN

46.

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47.

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A B

A

B

A B

A B

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PhysicS ThapesaN

50.

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52.

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54.

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A B

A B

A B

B

A

A

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PhysicS ThapesaN

Note:

xU Fwpj;j ntg;gepiyapy; xU Fwpj;j gjhu;j;jj;jpd; jilj;jpwd; khwpyp MFk;.

Ag MdJ jilj;jpwd; kpff; Fiwe;j xU gjhu;j;jkhFk;.

flj;jp xd;wpd; jilj;jpwd; ntg;gepiyAld; khWgLk; tpjk; gpd;tUkhW mikAk;>

Fiwflj;jp xd;wpd; jilj;jpwd; ntg;gepiyAld;

khWgLk; tpjk; gpd;tUkhW mikAk;.

jilntg;gepiyf; Fzfk;

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0

o

T

R

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T

PhysicS ThapesaN

cNyhfq;fspd; jilntg;gepiyf;Fzfk; Neu;g;ngWkhdk; cilajhfTk; Fiwflj;jpfspd;

jilntg;gepiyf;Fzfk; kiwg;ngWkhdk; cilajhfTk; fhzg;gLfpd;wJ.

kq;fdpd; vDk; fyg;GNyhfj;jpd; jilntg;gepiyf;Fzfk; kpfr; rpwpa ngWkhdk; 0

MFk;. ,jdhy; ,J epakj;jilfs;> jilg; ngl;bapYs;s jilfs;> mOj;jkhdpf; fk;gp

vd;gtw;iw Mf;Ftjw;F gad;gLj;jg;gLfpd;wJ.

10. gpshw;wpdk; jil ntg;gkhdp xd;wpd; jil o20 C ,y; 50.0 MFk;. mJ cUFk;

,e;jpaj;jpDs; (Indium) itf;fg;gLk; NghJ mjd; jil 75.0 Mf cau;e;jJ.

gpshw;wpdj;jpd; jil ntg;gepiyf; Fzfk; 3 o 14 10 C

vdpd; ,e;jpaj;jpd; cUFepiyiaf;

fhz;f.

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11. o20 C ,y; RUnshd;wpd; jil 60 MFk;. o

80 C ,y; mr;RUspd; jil 65 MFk;.

mr;RUs; Mf;fg;gl;l gjhu;j;jj;jpd; jil ntg;gepiyf; Fzfk; ahJ?

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PhysicS ThapesaN

12. xU flj;jp Mf;fg;gl;l gjhu;j;jj;jpd; jilntg;gepiyf; Fzfk; 10.005 K MFk;.

vt;ntg;gepiyapy; flj;jpapd; jil o0 C ,Ys;s jilapd; ,Uklq;fhf ,Uf;Fk;?

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kpd;Ndhl;lg; gpupf;if

rkhe;juj; jilfspDhL kpd;Ndhl;lk; gpupAk; NghJ mOj;jk; rkdhf ,Uf;FkhW

fpisfspDhL kpd;Ndhl;lk; ghAk;.

01.

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6

3

10

15

10

15

6

PhysicS ThapesaN

13. gpd;tUtdtw;wpy; fpisfspy; cs;s kpd;Ndhl;lq;fspd; ngWkjpfis fhz;f.

1.

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9

18

18

12

12

20

5

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PhysicS ThapesaN

6.

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2

4

4

4

3

33

A Bi127Ai2

A

B

4 4

8 8 8

6 6

I

1A

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PhysicS ThapesaN

kpd;Ndhl;lj;ij msj;jy;

kpd;Rw;nwhd;wpYs;s kpd;Ndhl;lj;ij msf;f mk;gpau;khdpahdJ kpd;Ndhl;lk; msf;f

Ntz;ba gFjpAld; njhluhf ,izf;fg;gl Ntz;Lk;.

Rw;wpy; kpd;Ndhl;lj;ij msg;gjw;F mfj;jilaw;w mk;gpau;khdp Rw;wpy; ,izf;fg;gl

Ntz;Lk;.

,yl;rpa mk;gpau;khdp:

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mOj;j NtWghl;il msj;jy;

xU kpd;Rw;wpYs;s ,U Gs;spfSf;fpilapy; mOj;j NtWghl;il msg;gjw;F mt;tpU

Gs;spfSf;FkpilNa Nthy;w;Wkhdp xd;iw rkhe;jukhf ,izj;jy; Ntz;Lk;.

mOj;j NtWghl;il msg;gjw;F Nthy;w;Wkhdpapd; jil Kbtw;wjhf ,Uj;jy; Ntz;Lk;.

,yl;rpa Nthy;w;Wkhdp:

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Note:

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PhysicS ThapesaN

kpd;fyk; xd;wpd; kpd;dpaf;ftpir - Electro motive force (e.m.f)

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kpd;fyk; xd;wpd; mfj;jil - Internal Resistance

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kpd;fyj;jpypUe;J kpd;Ndhl;lk; ghAk; NghJ fyj;jpd; KidfSf;F FWf;Nf mOj;j

NtWghL>

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PhysicS ThapesaN

kpd;fyj;jpDhL kpd;Ndhl;lk; ghAk; NghJ fyj;jpd; KidfSf;F FWf;Nf mOj;j

NtWghL>

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14. gpd;tUk; re;ju;g;gq;fspy; A,B ,w;fpilapyhd mOj;j NtWghl;il fhz;f.

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PhysicS ThapesaN

5.

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15. fPNo jug;gl;l Rw;wpy; kpd;fyk; Gwf;fzpf;fj;jf;f mfj;jil cilaJ. kpd;fyj;jpDhlhd

kpd;Ndhl;lj;jpd; ngWkjp ahJ?

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16. fPNo jug;gl;l Rw;wpy; kpd;fyk; 1 mfj;jil cilaJ. kpd;fyj;jpDhlhd kpd;Ndhl;lj;jpd;

ngWkjp ahJ?

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17. jug;gl;l Rw;wpy; kpd;fyq;fs; Gwf;fzpf;fj;jf;f mfj;jil cilad. mk;gpau;khdpapdJk;>

Nthy;w;WkhdpapdJk; thrpg;Gf;fisf; fhz;f.

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18. mUfpy; jug;gl;l Rw;wpy; kpd;fyq;fs; Gwf;fzpf;fj;jf;f mfj;jil cilad.

Nthy;w;WkhdpapdJk; thrpg;Gf;fisf; fhz;f.

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-28-




19. mUfpy; fhl;lg;gl;Ls;s Rw;wpy; kpd;fyq;fs; Gwf;fzpf;fj;jf;f mfj;jil cilad.

Nthy;w;Wkhdp ,yl;rpakhdJ vdpd; mjd; thrpg;G ahJ?

......................................................................................

......................................................................................

......................................................................................

......................................................................................

......................................................................................

20. fPNo jug;gl;Ls;s Rw;wpy; vy;yhf; fyq;fSk; kpd;dpaf;ftpir E [Ak; mfj;jil r

[Ak; cilad vdpd; Gs;spfs; A,B ,w;fpilapyhd mOj;j NtWghL ahJ?

......................................................................................................

......................................................................................................

......................................................................................................

......................................................................................................

20. fPNo jug;gl;Ls;s Rw;wpy; vy;yhf; fyq;fSk; kpd;dpaf;ftpir E [Ak; mfj;jil r

[Ak; cilad vdpd; Gs;spfs; A,B ,w;fpilapyhd mOj;j NtWghL ahJ?

......................................................................................................

......................................................................................................

......................................................................................................

......................................................................................................

21. fPNo fhl;lg;gl;Ls;s Rw;wpy; kpd;fyq;fs; Gwf;fzpf;fj;jf;f mfj;jil cilad. Gs;spfs;

A,B ,w;fpilapyhd mOj;j NtWghL ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

PhysicS ThapesaN



................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................



................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

24. fPNo fhl;lg;gl;Ls;s Rw;wpy; kpd;fyk; xd;W 6V kpd;dpaf;f tpiriaAk; cl;jil 2

[Ak; nfhz;Ls;sJ. kw;iwaJ 4V kpd;dpaf;f tpiriaAk; 8 cl;jiliaAk; cilaJ.

A,B ,w;F ,ilapyhd mOj;j NtWghL ahJ?

..........................................................................................

..........................................................................................

..........................................................................................

..........................................................................................

25. fyq;fspd; mfj;jil g+r;rpakhdJ vdpd; A,B ,w;F FWf;Nfahd mOj;j NtWghL

ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

-30-




26. fPNo fhl;lg;gl;Ls;s kpd;Rw;wpy; fyq;fspdJk; mk;gpau;khdpapdJk; mfj;jilfs;

Gwf;fzpf;ff; $baJ. mk;gpau;khdpfs; 1 2

A ,A ,d; thrpg;Gf;fisf; fhz;f.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

27. Rw;wpy; fhl;lg;gl;Ls;s xt;nthU kpd;fyKk; E kpd;dpaf;f tpiriaAk; r mfj;

jiliaAk; nfhz;bUf;fpd;wd. A,B ,w;fpilapyhd mOj;j NtWghL ahJ?

................................................................................................................................................

28. fhl;bathW Rw;W mikapd; R MdJ vd;d ngWkjp cilajhf ,Uf;Fk; NghJ

kpd;fyk; X ,w;F FWf;Nfahd mOj;jNtWghL g+r;rpakhFk;?

...........................................................................................................

...........................................................................................................

...........................................................................................................

...........................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

29. ,k; kpd;Rw;wpy; fyq;fs; Gwf;fzpf;fj;jf;f mfj;jilia cilad. Nthy;w;W khdpapdJ

thrpg;G ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

A1

A2

4

6

2V 12V

A B

X

Y

E

E

r 1

r 2

R

R

R2R

V

20

12V

100

2V

PhysicS ThapesaN

30. %d;W jilfs; 1 2 3

R ,R ,R vd;gd fPNo cs;s glj;jpy; fhl;bathW ,izf;fg;gl;L cs;sd.

1

2

R

R

,Dhlhd kpd; Ndhl; lk;

,Dhlhd kpd; Ndhl; lk; vDk; tpfpjj;jpd; gUkd; ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

31. fhl;lg;gl;Ls;s Rw;wpy; fyk; Gwf;fzpf;f $ba mfj; jilia cilaJ vdj; jug;gbd;

X,Y ,w;F FWf;Nfahd mOj;jNtWghL ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

32. jug;gl;l Rw;wpy; 4

R ,w;Ff; FWf;Nf mOj;j NtWghL ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

33. fhl;lg;gl;Ls;s kpd;tiy Ntiyapy; fyj;jpd; mfj;jil g+r;rpak; vdpd; 4 jilapDhlhd

kpd;Ndhl;lk; ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

R1

R2

R3

-32-


50

50

30

3060

3V

R1

R2

R3

R4

R5

35 1

4

522

10 1012V

r = 0

x

y

5 4

18 3

21

9V



34. fhl;lgl;Ls;s Nthy;w;wsTg; gpupapr; Rw;wpw;F o

VV vDk; tpfpjg; ngWkhdk; ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

35. fhl;lgl;Ls;s Nthy;w;wsTg; gpupapr; Rw;wpw;F o

VV vDk; tpfpjg; ngWkhdk; ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

36. A,B ,w;fpilapy; mOj;j NtWghL V vdpd; B,C vd;gtw;wpw;fpilapYk; C,D vd;gtw;wpw;F

,ilapYk; cs;s mOj;j NtWghL ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

37. A,B ,w;F FWf;NfAs;s mOj;j NtWghL 100V Mapd; CD f;Ff; FWf;Nfahd mOj;j

NtWghL ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

V0

V

R

R

R

R

A B C DR

R

R

R

RR

A

B

C

D

R=101

R=53

R=102

R=154

PhysicS ThapesaN

38. fyj;jpd; mfj;jilfs; Gwf;fzpf;fj;jf;fit Mapd; mk;gpau;khdpapd; thrpg;G ahJ?

.......................................................................................

.......................................................................................

.......................................................................................

.......................................................................................

.......................................................................................

.......................................................................................

39. kpd;fy mLf;F A apw;F FWf;Nfahd mOj;j NtWghL g+r;rpakhapd; R ,d; ngWkjp

ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

40. fhl;bathW kpd;Ndhl;lk; ghapd; A,B ,w;F FWf;Nfahd mOj;j NtWghL ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

6V

A

4

4

1

3V

A B

E r 1E r 2

R/2

R

R

2V

0.5A

2

A B

-34-


PhysicS ThapesaN

41. fyj;jpd; mfj;jil Gwf;fzpf;ff; $bajhapd; Nthy;w;Wkhdpapd; thrpg;G ahJ?

................................................................................................

................................................................................................

................................................................................................

................................................................................................

................................................................................................

42.2

A khdpapd; thrpg;G 1.2A vdpd; 1

A khdpapd; thrpg;G ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

43. fyk; 12V kpd;dpaf;f tpiriaAk; 3 mfj;jiliaAk; cilaJ. Msp %lg;gLk;

NghJ mk;gpau;khdpapd; thrpg;G ahJ?

....................................................................................................

....................................................................................................

....................................................................................................

....................................................................................................

....................................................................................................

44. 5000 jilf;F FWf;NfAs;s mOj;j NtWghL 5000 jilAila Nthy;w;Wkdpia

gad;gLj;jp mstplg;gLfpd;wJ. mjd; thrpg;G ahJ?

....................................................................................................

....................................................................................................

....................................................................................................

800

800 V800

12V

R

R

R

A2A1

6

SA

12V

6

3

120V

5000 2500

-35-


PhysicS ThapesaN

45. Msp jpwe;Js;s NghJk; %bAs;s NghJk; Nthy;w;W khdpapd; thrpg;Gf;fisf; fhz;f.

.....................................................................................

.....................................................................................

.....................................................................................

.....................................................................................

.....................................................................................

.....................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

46. kpd;dpaf;ftpir E ck; Gwf;fzpf;ff; $ba mfj;jiliaAk; cila fyj;Jld; jilfs;

fhl;bathW ,izf;fg;gl;Ls;sd. 2

R ,w;F FWf;Nf mOj;jNtWghL ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

47. fyq;fs; Gwf;fzpf;fj;jf;f mfj;jil cilad. Gs;sp Y rhu;ghf Gs;sp X ,Ys;s

mOj;jk; ahJ?

.............................................................................

.............................................................................

.............................................................................

.............................................................................

.............................................................................

................................................................................................................................................

................................................................................................................................................

V

6V

r = 0.3

2.7

E

R1R 2

4V 4V

3 1

11

X

Y

-36-


PhysicS ThapesaN

48. fhl;lg;gl;Ls;s Rw;wpy; fy;tNdhkhdpapDhlhf ghAk; kpd;Ndhl;lj;ijAk; 12 ,2 Mfpa

jilfspDhlhf ghAk; kpd;Ndhl;lj;ijAk; fhz;f.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

49. fyj;jpd; mfj;jil Gwf;fzpf;ff; $baJ vdpd; X ,w;Fk; Y ,w;Fk; ,ilapyhd

mOj;j NtWghL ahJ?

..........................................................

..........................................................

..........................................................

..........................................................

..........................................................

..........................................................

50. fyk; Gwf;fzpf;fj;jf;f mfj; jil cilaJ vdpd; Rw;wpy; cs;s kpd;Ndhl;lk; ahJ?

........................................................................

........................................................................

........................................................................

........................................................................

........................................................................

........................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

G

3 12

2 8

5A

2 2

2

22

26V

X

Y

10 10

1030

60

60 60

5V

I

-37-


PhysicS ThapesaN

51. fymLf;F 6V kpd;dpaf;f tpiriaAk; 0.2 mfj; jiliaAk; cilaJ. kpd;Ndhl;lk;

2A vdpd; Nthy;w;Wkhdpapd; thrpg;G ahJ?

.............................................................................

.............................................................................

.............................................................................

.............................................................................

.............................................................................

.............................................................................

.............................................................................

52. xt;nthU fyq;fSk; 1.5V kpd;dpaf;f tpir cila cyu; fyq;fshFk;. A ,Yk; B

,Yk; kpd;dOj;jq;fisf; fhz;f.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

53. ,U fyq;fSk; 4V,2V kpd;dpaf;f tpiriaAk; KiwNa 2 , 4 cl;jilaisAk;

cilad. B Gtpf;F njhLf;fg;gl;bUg;gpd; A ,Ys;s mOj;jk; ahJ?

...............................................................................

...............................................................................

...............................................................................

...............................................................................

...............................................................................

...............................................................................

...............................................................................

................................................................................................................................................

V

6V

0.2

1

R 1

R2

2A

1.5V 1.5V

1.5V1.5V1.5V

A

B

C

4V 2V

A

B

4

42

-38-


PhysicS ThapesaN

54. kpd;fyq;fspd; KidfSf;F FWf;Nfahd mOj;j NtWghLfisf; fhz;f.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

55. fyj;jpd; cl;jil Gwf;fzpf;fj;jf;fJ. A,B ,w;fpilapyhd mOj;j NtWghL ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

56. fhl;lg;gl;Ls;s Rw;wpy; mk;gpau;khdp ,Dhlhd kpd;Ndhl;lk; 2A vdpd; 1 ,Dhlhd

kpd;Ndhl;lk; ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

12V

4V

1

14

8 48

A

B

R R

RRE

9V

A 2 5

5 4

1

-39-


PhysicS ThapesaN

57. vy;yhf; fyfSk; 1 cl;jil cilad. 9 jilapDhlhd kpd;Ndhl;lk; ahJ?

................................................................................................................................................

................................................................................................................................................

58. fhl;lg;gl;l Rw;wpy; fyq;fs; Gwf;fzpf;fj;jf;f mfj;jil cilad. 4 jilapDhlhd

kpd;Ndhl;l ngWkjp ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

59. 6V fyk; Gwf;fzpf;fj;jf;f cl;jil cilaJ. Nthy;w;Wkhdp thrpg;G g+r;rpak; vdpd;

mk;gpau;khdpapd; thrpg;G ahJ?

...........................................................................

...........................................................................

...........................................................................

...........................................................................

...........................................................................

...........................................................................

...........................................................................

6V 4V 5V

10 9 8

2V

1

6V 2V

1

11

4

2020

100 R

6V

A

V

-40-


PhysicS ThapesaN

60. fhl;lg;gl;l Rw;wpy; X ,w;Fk; Y ,w;Fk; ,ilapyhd mOj;jNtWghL ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

61. fyj;jpd; mfj;jil g+r;rpak; vdpd; V,I,R ,d; ngWkjp ahJ?

................................................................................................................................................

................................................................................................................................................

62. fhl;lg;gl;Ls;s fyq;fs; ,uz;Lk; rk mfj;jilfis cilad. A,B ,w;fpilapyhd

mOj;j NtWghL ahJ?

................................................................................................................................................

63. Rw;wpy; fyq;fs; 1 2

E ,E vd;gd KiwNa 4V,8V kpd;dpaf;f

tpiriaAk; 0.5 ,1.0 mfj; jiliaAk; cilad.

fyq;fSf;F FWf;Nfahd mOj;j NtWghLfisf; fhz;f.

.............................................................................................

.............................................................................................

.............................................................................................

X Y

100

10V 5V

50

50

V20 5R

8A11A

I

2V

2V

A B

4V 8V

4.5

6

3

E1 E2

-41-


PhysicS ThapesaN

64. fy mLf;Ffs; Gwf;fzpf;fj;jf;f mfj; jilfis cilad. mk;gpau; khdpapd; thrpg;G

g+r;rpak; vdpd; fyk; P ,d; kpd;dpaf;ftpir ahJ?

................................................................................................................................................

................................................................................................................................................

65. fyq;fs; Gwf;fzpf;fj;jf;f mfj;jil cilad. Nthy;w;Wkhdpapd; thrpg;G ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

fy;tNdhkhdpia (kpy;yp mk;gpau;khdpia) mk;gpau; khdpahf khw;wy;

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

24V

P

A

9

3

V

10V 8V

1 4

G

R

-42-


PhysicS ThapesaN

66. 10 mfj;jilAila fy;tNdhkhdp 0 100mA tiu mstplf;$baJ. ,jid 1A

tiuapyhd kpd;Ndhl;lj;ij mstplf;$ba mk;gpau;khdpahf khw;w vd;d nra;a Ntz;Lk;?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

67. 19.8 jilAila kpy;yp mk;gpau;khdp xd;W 50mA Xl;lk; xd;wpw;F KOtilj;

jpUk;giyf; fhl;Lfpd;wJ. mjid 5A tiuapyhd kpd;Ndhl;lj;ij mstplf;$bajhd

mk;gpau;khdpahf khw;w vd;d nra;a Ntz;Lk;?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

xU fy;tNdhkhdpia gad;gLj;jp gy tPr;Rf;fis cila mk;gpau;khdp mikj;jy;

G

R1

R2

R3

P

Q

R

1A

5A

10A

100mA

X

-43-


PhysicS ThapesaN

a. njhLF rhtp X [ Kidfs; P,Q,R cld; njhLifAwr; nra;Ak; NghJ ve;j xOq;fpy;

njhLifAwr; nra;jy; Ntz;Lk;?

................................................................................................................................................

b. fy;tNdhkhdp 10 jilAk; 100mA KOtstpilj; jpUk;giyAk; nfhz;lJ vdpd;

1 2 3R ,R ,R ,d; ngWkjpfis kjpg;gpLf.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

68. fy;tNdhkhdpia gy tPr;Rf;fspyhd mk;gpau;khdpahf gad;gLj;Jtjw;Fupa xU

xOq;fikg;G fPNo fhl;lg;gl;Ls;sJ.

a. cUthf;f Ntz;ba mk;gpau;khdpapd; tPr;Rf;fs; 1A,5A,10A

vdpd; mt;tPr;Rf;fis ngWtjw;F njhLf;fg;gl Ntz;ba

Kbtplq;fis jUf.

.................................................................................................

.................................................................................................

b. 10 A ,Yk; Fiwe;j Mdhy; njupahj kpd;Ndhl;lk; xd;W P ,DhL ghAk; NghJ

njhLF rhtp X [ ve;j xOq;fpy; Q,R,S Kbtplq;fSld; njhLf;f Ntz;Lk;?

................................................................................................................................................

c fy;tNdhkhdp 10 jilAk; 100mA KOtstpilj; jpUk;giyAk; nfhz;lJ vdpd;

1 2 3R ,R ,R [ Jzptjw;fhd Nfhitfis vOJf.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

G

R1 R2 R3

P Q

R

S

X

-44-


PhysicS ThapesaN

fy;tNdhkhdpia (kpy;yp mk;gpau;khdpia) mk;gpau; khdpahf khw;wy;

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

xU fy;tNdhkhdpia gad;gLj;jp gy tPr;Rf;fis cila Nthy;w;Wkhdp mikj;jy;

a. njhLF rhtp X [ Kidfs; P,Q,R cld; njhLifAwr; nra;Ak; NghJ ve;j xOq;fpy;

njhLifAwr; nra;jy; Ntz;Lk;?

................................................................................................................................................

b. fy;tNdhkhdp 10 jilAk; 100mA KOtstpilj; jpUk;giyAk; nfhz;lJ vdpd;

1 2 3R ,R ,R ,d; ngWkjpfis kjpg;gpLf.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

GR1

X

TP

Q

R

R2 R3

5V 10V 20V

-45-


PhysicS ThapesaN

fy;tNdhkhdpia gad;gLj;jp Xk; khdpia mikj;jy;

a. A,B ,w;fpilapy; g+r;rpaj;jilia vt;thW ngWtPu;?

................................................................................................................................................

................................................................................................................................................

b. E 10V ck; fy;tNdhkhdpapd; mfj;jil 10 ck; vdpd; A,B ,w;fpilapy; g+r;rpaj;jil

,Uf;Fk; NghJ o

R [ vd;d ngWkjpf;F nrg;gk; nra;jy; Ntz;Lk;?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

c. A,B ,w;fpilapy; Kbtpyp jilia vt;thW ngWtPu;?

................................................................................................................................................

................................................................................................................................................

d. fy;tNdhkhdp 5mA [ thrpf;Fk; NghJ A,B ,w;fpilapy; ,izf;fg;gl;Ls;s jilapd;

ngWkjp ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

e. A,B ,w;fpilapy; 100 jil ,izf;fg;gl;Ls;s NghJ fy;tNdhkhdpapd; thrpg;G

ahJ?

................................................................................................................................................

................................................................................................................................................

0

RoE

0 - 10mA

A B

-46-


PhysicS ThapesaN

f. Xk;khdpapd; mstpil Vfgupkhdkhdjh? Vfgupkhzkw;wjh?

................................................................................................................................................

................................................................................................................................................

jilfspy; tpiuakhFk; tYTk; fyq;fs; Rw;Wf;F toq;Fk; tYTk;

a. Gwj;jil R ,y; tpiuakhFk; tYtpw;fhd Nfhitia jUf.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

b. fyj;jpd; mfj;jil r ,y; tpiuakhFk; tYtpw;fhd Nfhitia jUf.

................................................................................................................................................

................................................................................................................................................

c. fyk; Rw;Wf;F toq;Fk; tY ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

d. Gwj;jil R khWgLk; NghJ mjpy; tpirakhFk; tY P MdJ R cld; khWgLk;

tpjj;ij tiuGgLj;Jf.

R

E

r

I

-47-


PhysicS ThapesaN

e. Gwj;jilapy; tpiuakhFk; tY cau;thf ,Uf;Fk; NghJ R,r ,w;fpilapyhd njhlu;G

ahJ?

................................................................................................................................................

69. ru;trkdhd %d;W kpd;Fkpo;fs; P,Q,R glj;jpy; fhl;bathW Rw;W xd;wpy; ,izf;fg;

gl;Ls;sJ. kpd;Fkpo; P ,y; tpiuakhFk; tY 10W vdpd; %d;W kpd;Fkpo;fshYk;

ntsptplg;gLk; nkhj;j tY ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

70. ru;trkdhd %d;W kpd;Fkpo;fs; P,Q,R glj;jpy; fhl;bathW Rw;W xd;wpy; ,izf;fg;

gl;Ls;sJ. kpd;Fkpo; P ,y; tpiuakhFk; tY 10W vdpd; %d;W kpd;Fkpo;fshYk;

ntsptplg;gLk; nkhj;j tY ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

P Q

R

P

Q

R

-48-


PhysicS ThapesaN

71. jug;gl;Ls;s Rw;wpy; fyk; 12V kpd;dpaf;ftpiriaAk; 1 mfj;jiliaAk; nfhz;lJ.

a. 5 jilapy; tpiuakhFk; tYitf; fhz;f.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

b. mfj;jilapy; tpiuakhFk; tYitf; fhz;f.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

c. fyk; Rw;wpw;F toq;fpa tYitf; fhz;f.

................................................................................................................................................

................................................................................................................................................

72. jug;gl;l kpd;tiy Ntiyapy; fyq;fs; Gwf;fzpf;fj;jf;f mfj;jil cilait.

a. jilfspy; tiuakhFk; nkhj;j tYitf; fhz;f.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

b. 2V fyk; Rw;Wf;F toq;Fk; tY ahJ?

................................................................................................................................................

................................................................................................................................................

5

12V

1

2V

3V

3

2

-49-


PhysicS ThapesaN

c. 3V fyk; Rw;Wf;F toq;Fk; tY ahJ?

................................................................................................................................................

................................................................................................................................................

73. jug;gl;l kpd;tiy Ntiyapy; fyq;fs; Gwf;fzpf;fj;jf;f mfj;jil cilait.

a. jilfspy; tiuakhFk; nkhj;j tYitf; fhz;f.

................................................................................................................................................

................................................................................................................................................

b. 12V fyk; Rw;Wf;F toq;Fk; tY ahJ?

................................................................................................................................................

................................................................................................................................................

c. gFjpfs; (a),(b) ,y; fzpf;fg;gl;l ngWkjpfs; NtWgLtjw;F fhuzk; ahJ?

................................................................................................................................................

................................................................................................................................................

kpd;fyq;fspd; Nru;khdk;

njhlu; epiy ,izg;G

a. ,yl;rpa kpd;fyq;fis (mfj;jil g+r;rpakhd fyq;fs;) njhluhf ,izj;jy;

................................................................................................................................................

b. mfj;jilfis cila kpd;fyq;fis njhluhf ,izj;jy;

................................................................................................................................................

12V

2V

3

2

A B A B

E1 E2 E3 E

A B A B

E1 E2 E3 E

r1 r2 r3 r

-50-


PhysicS ThapesaN

rkhe;ju epiy ,izg;G

a. ,yl;rpa kpd;fyq;fis rkhe;jukhf ,izj;jy;

................................................................................................................................................

................................................................................................................................................

Note:

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

b. mfj;jilfis cila kpd;fyq;fis rkhe;jukhf ,izj;jy;

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

74. fPNo jug;gl;Ls;sthW ,izf;fg;gl;ls;s kpd;fyq;fspw;F gjpyhf xU kpd;fyk; gad;gLj;jg;

gbd; mjd; kpd;dpaf;ftpiriaAk; mfj;jiliaAk; jUf.

................................................................................................................................................

................................................................................................................................................

A B

E

E

E

A B

A B

E1

A B

r1

E2

r2

E3

r3

E

r

A B

12V

15V

4V

2

3

6

-51-


PhysicS ThapesaN

75. jug;gl;Ls;s kpd;tiy Ntiyg;ghl;by; jil R ,Dhlhd kpd;Ndhl;lk; ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

76. fPNo jug;gl;Ls;s Rw;wpy; Gwj;jil 1 ,Dhlhd kpd;Ndhl;lk; ahJ? mj;Jld; xt;nthU

fyj;jpDhlhd kpd;Ndhl;lq;fisAk; fhz;f.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

77. fPNo jug;gl;Ls;s Rw;wpy; 6V fyj;jpDhlhd kpd;Ndhl;lj;jpd; msT ahJ?

................................................................................................................................................

6V

12V

3V

3

6

6

R = 4.5

12V

8V

6V

4

4

2

1

12V

8V

6V

4

4

2

-52-


PhysicS ThapesaN

78. fPNo jug;gl;Ls;s Rw;wpy; fyq;fs; Gwf;fzpf;fj;jf;f mfj;jil cilait.

Gwj;jilapDhlhd kpd;Ndhl;lj;ijAk;> xt;nthU fyj;jpDhlhd kpd;Ndhl;lj;ijAk;

fhz;f.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

79. jug;gl;Ls;s kpd;tiyNtiyapy; 3 jilapDhlhd kpd;Ndhl;lk; ahJ?

................................................................................................................................................

................................................................................................................................................

80. jug;gl;Ls;s kpd;tiyNtiyapy; Gwj; jil R ,Dhlhd kpd;Ndhl;lk; ahJ?

6V

12V

4V

2

5

R = 2

6V

12V

6

3

3

12V

24V

7

R = 2

5

2 2

-53-


PhysicS ThapesaN

Nfr;Nrhtpd; tpjp - Kirchhoff’s Rules

tpjp I

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

81. mUfpy; jug;gl;Ls;s kpd;tiy Ntiyapy; re;jpapd;

kpd;dOj;jj;jpd; ngWkjpiaf; fhz;f.

.....................................................................................

.....................................................................................

.....................................................................................

.....................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

82. mUfpy; jug;gl ;Ls;s kpd;tiy Ntiyapy; re ;jpapd;

kpd;dOj;jj;jpd; ngWkjpiaf; fhz;f.

....................................................................................................

....................................................................................................

....................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

2 1

2

+2V

-1V

+1V

3 2

1

-2V+1V

-54-


PhysicS ThapesaN

tpjp II

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

83. fPNo jug;gl;Ls;s Rw;wpy; xt;nthU fpisapYk; cs;s kpd;Ndhl;lj;jpd; msitf; fhz;f.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

E1

E3

E4E5

E2

r1

r2

r3

A B C

DEF

6 3

20V

2V

5V

1

-55-


PhysicS ThapesaN

84. mUf py ; fhl ; lg ; gl ;Ls ;s k pd ;tiy

Ntiyg;ghl;by; xt;nthU fpisapYk; cs;s

kpd;Ndhl;lq;fisf; fhz;f.

..............................................................................

..............................................................................

..............................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

85. mUfpy; fhl;lg;gl;Ls;sthW Gwf;fzpf;fj;jf;f mfj;jil

cila rpy kpd;fyq;fs; ,izf;fg;gl;Ls;sd. 3V

fyj;jpDhlhd kpd;Ndhl;lj;jpd; msT ahJ?

...............................................................................................

...............................................................................................

...............................................................................................

...............................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

2 3

3V

2V

2V

1

1

22

2

3

5V

3V

2V

-56-


PhysicS ThapesaN

86. mUfpy; fhl;lg;gl;Ls;sthW Gwf;fzpf;fj;jf;f

mfj;jil cila rpy kpd;fyq;fs; ,izf;fg;gl;L

cs;sd. 5V fyj;jpDhlhd kpd;Ndhl;lj;jpd; msT

ahJ?

......................................................................................

......................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

87. fPNo jug;gl;Ls;s Rw;wpy; xt;nthU fyj;jpDhlhd kpd;Ndhl;lj;ijf; fhz;f.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

2

2V3

2

3

112V

5V

6V

10V

3

12V

3V

7V

2

3

2

-57-


PhysicS ThapesaN

88. fPNo jug;gl;Ls;s Rw;wpy; xt;nthU fpisfspYk; cs;s kpd;Ndhl;lq;fisf; fhz;f.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

89. fPNo jug;gl;Ls;s kpd; tiy Ntiyg;ghl;by; fyq;fs; Gwf;fzpf;fj;jf;f mfj;jil

cilad.

a. xt;nthU jilapDhlhd kpd;Ndhl;lg; ngWkjpfisf; fhz;f.

................................................................................................................................................

................................................................................................................................................

3

10V

3V

4V

2

3

2

2 3

3V

15V

2V

1

-58-


PhysicS ThapesaN

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

b. Gwj;jilfspy; tpiuakhFk; nkhj;j tYitf; fhz;f.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

c. xt;nthU fyq;fspdhYk; Rw;Wf;F toq;fg;gLk; tYitf; fz;L> fyq;fspdhy; Rw;Wf;F

toq;fg;gLk; nkhj;j tY jilfspy; tpiuakhfpa tYTf;F rkd; vdf; fhl;Lf.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

90. mUfpy; fhl;lg;gl;Ls;s Rw;wpy; fyq;fs; G+r;rpa mfj;

jil cilait.

a. xt;nthU fpisfspYk; cs;s kpd;Ndhl;lq;fisf;

fhz;f.

.......................................................................................

.......................................................................................2 3

3V

9V

2V

2

-59-


PhysicS ThapesaN

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

b. Gwj;jilfspy; tpiuakhFk; nkhj;j tYitf; fhz;f.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

c. 9V kpd;fyj;jpdhy; Rw;Wf;F toq;fg;gLk; tY ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

d. gFjpfs; (b),(c) vd;gd NtWgLtjw;F fhuzk; ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

-60-


PhysicS ThapesaN

kPw;wu;g;ghyk; - Metre Bridge

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

fy;tNdhkhdp g+r;rpa jpwk;giyf; (jpUk;giyf;) fhl;Lk; NghJ kPw;wu;g; ghyk; rkepiyg;

gl;Ls;sJ vdg;gLk;. ,e;epiyapy;>

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

kPw;wu;ghyg; gupNrhjidapy; rkepiyg; Gs;spia vt;thW ngWtPu;?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

kPw;wu;ghyg; gupNrhjid vj; jj;Jtj;jpy; njhopw;gLfpd;wJ?

................................................................................................................................................

-61-


PhysicS ThapesaN

kPw;wu;g;ghyf; fk;gp kPJ tOf;Fr; rhtpia mOj;jp efu;j;jf; $lhJ. ,jw;fhd fhuzk;

ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

kPw;wu;g;ghyr; Rw;wpy; fy;tNdhkhdpia ghJfhg;gjw;F vLf;fg;gl;Ls;s eltbf;if vd;d?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

cau;jilf;F rkhe;jukhf xU nrUF Msp ,izf;fg;gl;bUf;Fk;. ,J vt;thW

gupNrhjidapd; NghJ gad;gLj;jg;gLk;?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

kPw;wu;ghyf; fk;gpf;F vg;gjhu;j;jj;jhy; Md fk;gp gad;gLj;jg;gLk;? ,jw;fhd fhuzk;

ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

kPw;wu;g; ghyf; fk;gp rPuw;wjhf ,Ug;gpd; ,jid vt;thW gupNrhjid uPjpahf eptu;j;jp

nra;tPu;?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

kPw;wu;ghyr; Rw;W jpUj;jkhf g+u;j;jp nra;ag;gl;Ls;sjh vd vt;thW tha;g;Gg; ghu;g;gPu;?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

-62-


PhysicS ThapesaN

jilfspDhL kpd;Ndhl;lk; ghAk; NghJ mtw;wpy; ntg;gk; gpwg;gpf;fg;gLtjhy; mtw;wpd;

ntg;gepiy mjpfupg;gjhy; jilfs; khWgl;L fk;gp rPuw;wjhfptpLk;. ,jid gupNrhjidapy;

vt;thW eptu;j;jp nra;ayhk;?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

kPw;wu;g;ghyj;jpy; cUthFk; KidtOit vt;thW eptu;j;jp nra;ayhk;?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

kPw;wu;g;ghy gupNrhjidapd; mD$yq;fs; ,uz;ilj; jUf.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

kPw;wu;g;ghyk; rpwpa jilfis (1 ,Yk; Fiwe;j jilfis) xg;gpLtjw;F cfe;jjy;y

,jw;fhd fhuzk; ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

rkepiyg; Gs;spia kPw;wu;g;ghyf; fk;gpapd; kj;jpa gFjpapy; ngwy; rpwe;jjhFk;. ,jw;fhd

fhuzk; ahJ?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

-63-


PhysicS ThapesaN

91. fPNo jug;gl;Ls;s Rw;wpy; fyq;fs; g+r;rpa mfj;jil cilad. vdpd; fy;tNdhkhdpapd;

thrpg;G ahJ? (fy;tNdhkhdpapd; mfj;jil G+r;rpakhFk;)

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

92. fPNo jug;gl;Ls;s Rw;wpy; fyq;fs; g+r;rpa mfj;jilAk;> fk;gp AB MdJ rPuhd

jilAilaJk; MFk;. fhl;lg;gl;Ls;s epiyapy; fy;tNdhkhdpapd; thrpg;G ahJ?

(fy;tNdhkhdpapd; mfj;jil G+r;rpakhFk;)

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

93. mUfpy; fhl;lg;gl;Ls;s Rw;wpy; 12V fyj;jpd; mfj;jil Gwf;fzpf;fj;jf;fJ. fhl;ba

epiyapy; fy;tNdhkhdpapd; thrpg;G g+r;rpak; vdpd; E ,d; ngWkjpiaf; fhz;f.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

3 2

5V

3V

G

G

40cm 60cm

10V

4V

A B

4 2

12V

E

G

-64-


PhysicS ThapesaN

94. mUfpy; fhl;lg;gl;Ls;s Rw;wpy; 5V fyj;jpd; mfj;jil Gwf;fzpf;fj;jf;fJ. fhl;ba

epiyapy; fy;tNdhkhdpapd; thrpg;G g+r;rpak; vdpd; E ,d; ngWkjpiaf; fhz;f.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

95. fPNo fhl;lg;gl;Ls;s Rw;wpy; fyq;fspd; mfj;jilfs; g+r;rpak; vdpd; fy;tNdhkhdpapd;


................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

96. fPNo fhl;lg;gl;Ls;s Rw;wpy; fyq;fspd; mfj;jilfs; g+r;rpak; vdpd; fy;tNdhkhdpapd;


................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

G

20cm 80cm

5V

E

A B

2 3

7V

2V

G

2 4

8V

2V

G

-65-


PhysicS ThapesaN

mOj;jkhdp - Potentiometer

,U kpd;fyq;fspdJ kpd;dpaf;ftpirfis xg;gpLtjw;F kpd;fynkhd;wpd; mfj;jilia

msg;gjw;Fk;> kpd;Ndhl;lk; mOj;jNtWghL vd;gtw;iw msg;gjw;Fk;> mk;gpau;khdp

Nthy;w;Wkhdp vd;gtw;iw msT NfhbLtjw;Fk;> ,uz;L jilfis xg;gbtjw;Fk;>

,uz;L jilfis xg;gpLtjw;Fk;> ntg;gkpd; ntg;gkhdp xd;wpd; kpd;dpaf;ftpiria

Jzptjw;Fk; mOj;jkhdp gad;gLk;.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

mOj;jkhdpr; Rw;wpYs;s fyj;jpd; Neu;KidAk; Jizr;Rw;wpYs;s fyj;jpd; Neu;KidAk;

mOj;jkhdpf; fk;gpapd; g+r;rpa Kbtplj;Jld; xd;whf ,izf;fg;gLk;. KidTfs; khwp

,izf;fg;gbd; rkepiyg;Gs;sp ngwg;glhJ.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

G H.R

-66-


PhysicS ThapesaN

mOj;jkhdpia msT Nfhbly;

njupe;j kpd;dpaf;ftpirAila epakf; fyk; (kpd;dpaf;ftpir o

E ) xd;iw mOj;jkhdpapd;

Jizr;Rw;wpy; ,izj;J> mjw;Fupa rkepiy ePsk; (o

L ) ngwg;gLk;. ,jpypUe;J mOj;j

tPo;r;rp K Jzpag;gLk;.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

mOj;jkhdpr;Rw;wpy; rkepiyg;Gs;sp fpilf;fhtpbd; mjw;fhd fhuzk; ahjhf ,Uf;fyhk;?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

mOj;jkhdpr;Rw;wpy; rkepiyg;Gs;sp fpilf;Fk; vd;gij vt;thW jPu;khdpg;gPu;?

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

G H.R

E

Eo

-67-


PhysicS ThapesaN

mOj;jkhdpia cgNahfpj;J ,U kpd;fyq;fspd; kpd;dpaf;ftpirfis xg;gpLjy;

glj;jpy;fhl;bathW mOj;jkhdpr; Rw;W xOq;fikf;fg;gl;L Msp X ,w;F ,lg;gl;L 2

E

,w;fhd rkepiy ePsk; 2

L ck;> Msp Y ,w;F ,izf;fg;gl;L 1

E ,w;fhd rkepiy

ePsk; 1

L ck; Jzpag;gLk;.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

khWk; jilapd; ngWkjpia khw;Wtjd; %yk; gupNrhjid jpUk;gj; jpUk;gr; nra;ag;gl;L

ntt;NtW 1

L ,w;F xj;j 2

L ,d; ngWkjpfs; Jzpag;gLk;.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

-68-


PhysicS ThapesaN

mOj;jkhdpia cgNahfpj;J kpd;fyk; xd;wpd; mfj; jiliaj; Jzpjy;

glj;jpy; fhl;baJ Nghy; cgfuzk; xOq;fikf;fg;gl;L R ,d; ntt;NtW ngWkhdq;fSf;F

xj;j rkepiy ePsq;fs; L Jzpag;gLk;.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

G H.R

Eo

E

r

R

A BC

-69-


PhysicS ThapesaN

mOj;jkhdpia cgNahfpj;J ,U jilfis xg;gpLjy; - Kiw I

cU (1) ,y; fhl;bathW kpd;Rw;W cUthf;fg;gl;L 1

R ,w;Ff; FWf;Nfahd

mOj;jNtWghl;il rkg;gLj;Jk; ePsk; 1

L Jzpag;gLk;. cU (2) ,y; fhl;bathW kpd;Rw;W

cUthf;fg;gl;L 2

R ,w;Ff; FWf;Nfahd mOj;jNtWghl;il rkg;gLj;Jk; ePsk; 2

L

Jzpag;gLk;.

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

................................................................................................................................................

khWk; jilapd; (,upa epWj;jpapd;) ngWkjpia khw;Wtjd; %yk; gupNrhjidia jpUk;gj;

jpUk;gr; nra;J ntt;NtW 1 2

L ,L ,d; ngWkjpfs; ngwg;gLk;.

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L1

R1 R2

G

L2

R1 R2

G

cU (1) cU (2)

-70-


PhysicS ThapesaN

mOj;jkhdpia cgNahfpj;J ,U jilfis xg;gpLjy; - Kiw II

cU (1) ,y; fhl;bathW kpd;Rw;W cUthf;fg;gl;L 1

R ,w;Ff; FWf;Nfahd

mOj;jNtWghl;il rkg;gLj;Jk; ePsk; 1

L Jzpag;gLk;. cU (2) ,y; fhl;bathW kpd;Rw;W

cUthf;fg;gl;L 1 2

R ,R ,w;Ff; FWf;Nfahd mOj;jNtWghl;il rkg;gLj;Jk; ePsk; 2

L

Jzpag;gLk;.

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mOj;jkhdpapd; Kidj;jpUj;jk; Jzpjy;

L1

R1 R2

G

L2

R1 R2

G

cU (1) cU (2)

L1

R1 R2

G

L2

R1 R2

G

cU (1) cU (2)

-71-


PhysicS ThapesaN

cU (1) ,y; fhl;bathW Rw;W cUthf;fg;gl;L jil 1

R ,w;Ff; FWf;Nfahd mOj;j

NtWghl;il rkg;gLj;Jk; ePsk; 1

L Jzpag;gLk;.

cU (2) ,y; fhl;bathW Rw;W cUthf;fg;gl;L jil 2

R ,w;Ff; FWf;Nfahd mOj;j

NtWghl;il rkg;gLj;Jk; ePsk; 2

L Jzpag;gLk;.

gpd;du; cU (3) ,y; Rw;W cUthf;fg;gl;L 1 2

R ,R ,w;Ff; FWf;Nfahd mOj;j NtWghl;il

rkg; gLj;Jk; ePsk; 3

L Jzpag;gLk;.

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L3

R1 R2

G

cU (3)

-72-

[ Kw;Wk;

7 6 5 4 2 0 1 2 3 2 ngjp ftpay; · 2020. 11. 9. · physics thapesan [ gf;fk; 0 g; ghu;f;f t...

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