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(DENG 21)

B.A./B.Com./B.Sc./B.B.M./B.H.M. DEGRE E EXAMINATION, DECEMBER 2011.

(Examination at the end of Second Year)

Part I English

Paper II GENERAL ENGLI SH

Time : Three hours Maximum : 100 marks

SECTION A

1. (a) Read the following passage carefully and answer the questions that follow : (5)In March, 1961, black sanitation workers in Memphis struck work protesting againstunequal pay and poor working conditions. Martin Luther king went to Memphis tolead the workers demonstration. The demonstration turned violent and the policeretaliated strongly. Addressing a rally on April 2, king spoke of threats on his life andurged his followers to carry on the struggle in a non-violent way. No one had imaginedthat king would be strunk down by an assasins bullet the next evening.

(i) Why did the workers of Memphis strike work?

(ii) Why did Mr. King go the Mephis?

(iii) Why did police relatiate strongly?

(iv) What did Luther king ask his followers to do?

(v) When was Luther king struck down?

(b) Read the following passage carefully and answer the questions that follows choosingthe right answer: (5)

There is a story of a man who thought he had a right to do what he liked one day thisgentleman was walking along a busy road, skinning his walking stick round and roundin his hand, and trying to look important. A man walking behind him objected. youought not to spin your walking stick round and round like that! he said. I am free to dowhat I like with my walking strick argued the gentleman.

Of course you are, said the other man but you ought to know that your freedom endswhere my nose begins.

The story tells that we can enjoy our right and our freedom only if they do not interferewith other peoples rights and freedom

(i) The gentleman was moving his walking stick round and round to

(1) hurt other people

(2) look important

(3) make himself free

(4) end his freedom

(5) walk along the road(ii) they do not interfere with other they here refers to

(1) rights

(2) ends

(3) other people

(4) the gentleman and the other man

(5) rights and freedom

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(DENG 21)2

(iii) A man walking behind the gentleman

(1) objected

(2) argued

(3) agreed

(4) laughed

(5) thought

(iv) This is the story of a man who thought

(1) he was a gentleman

(2) he was invalized

(3) he could spin his walking - stick round and round

(4) he had a right to do what he liked

(5) he had a right to walk along a busy road

(v) We can enjoy our rights and freedom only

(1) When we are free to do what we like?

(2) When we know what freedom actually means?

(3) When we can defend our rights?

(4) When we are civilized?

(5) When they do not interefere with other peoples rights and freedom?

2. Answer any TWO of the following in not more than 100 words each : (2 5 = 10)(a) Summarise the message that Helen Keller Conleys to mean and women regarding their

use of senses?

(b) Describe the factors that constitute a knowledge society according to Abdul Kalam?

(c) According to Barnum, what kind of people achieve Pecuniary In depended?

(d) Do you think Russells vidos on war and peace are relevant in todays world? J ustifyyour answer.

3. Answer any ONE of the following in about 200 words : (10)(a) Attempt a summary of Abdul K alams views on the knowledge society.

(b) Write a note on the experiences of Gandhi in London.

(c) Critically examine the personality of Day Hammansk J olds as revealed in The DayDay Hammanskjold Role in My J eep.

SECTION B

(Poetry)

4. (a) Answer any ONE of the following in not more than 100 words : (5)(i) Explain the sad plight of Londoners.

(ii) Generally Shelley known as for intellectualizing nature, but here in this ode wefound him spiritualizing it Do you agree?

(iii) Bring out the poetic merits of Ode to A Nightingale.

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(DENG 21)3

(b) Explain any ONE of the following : (5)

(i) How the Chimney sweepers by Every blackening church appalls and the haplesssoldiers sign?

(ii) I f I were a dear leaf thou mightiest bear?

(iii) My heart aches, and a drowsy numbers pains.

My sense, as though of hemlock had drunk.

5. Answer any ONE of the following in 200 words :(a) Attempt a critical appreciation of The gift of India. (10)(b) Bring out the poetic merits of Kamala Das in Advice to following swimmers.

(c) Critically examine the central theme of Mending Hall .

6. Answer any ONE of the following in 200 words : (10)(a) Write an essay on the psychological portrayal of middle class agony in chekkovs short

story The lottery ticket.

(b) Critically analyse the short story Alan paton's Hapenny.

(c) How does Tagore feel towards suffering people in the short story Subha?

SECTION C

(Language works)

7. Read the following passage and make a note of the main points : (8)The first big football match that was played in spain led to an uncontrollable riot. As soon asstrong feelings of rivalry are aroused, the notion of playing the game according to the rulesalways vanishes. People want to see one side on top and the other side humiliated, and theyforget that victory gained through cheating on through the intervention of the crowd ismeaningless. Even when the spectators dont inference physically they try to influence thegame by cheering their own side and rattling opposing players with boos and insults.

8.

Write an Essay on ONE of the following : (8)(a) Computer Education

(b) National Integration

(c) Religion society and government

9. Answer ONE of the following : (8)(a) Write an informative report about supermarkets in your area.

(b) Write a repot on the condition of women in the rural areas.

10. Use FOUR of the following idioms and phrases in your own sentences : (8)(a) Bag and baggage

(b) Bed of roses

(c) Cock of the Walk

(d) Fool proof

(e) Give away

(f) Hard and fast

(g) In the long run

(h) J ack of all trades.

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(DENG 21)4

11. Answer any ONE of the following : (8)(a) Two friends meet after some years. They discuss their education etc. Write dialogue

between them.

(b) Write a dialogue between two persons at a post office between the clerk there and yourfriend.

(c) Write a letter in the form of a circular announcing the sale of the goods, mentioning if

there is any reduction in the prices.

(d) Write a letter to your friend about a week-end this you made.

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(DHIN 21 (NR))

B.A./B.Com./B.Sc./B.B.M./B.H.M. DEGREE

EXAMINATION, DECEMBER 2011.


Part I Hindi

Paper II GENERAL HINDI


1. {ZZ{b{IV nmem| H$s ggJ `m`m H$s{OE& (24)

(a) (i) a{h_Z nmZr am{IE, {~Z nmZr A~ gyZ&

nmZr J`o Z D$~a, _moVr _mZwg MyZ&&

AWdm

(ii) Eogr ~mZr ~mo{bE, _Z H$m Amnm Imo &

AmaZ H$mo erVb H$a-AnherVb hmo &&

(b) (i) _oamo^d ~mYm ham, amYm ZmJar gmo

Om VZ H$s PmB na `m_ h[aV X{V hmo &&

AWdm

(ii) Mmh aho OyR>r nVb do H$^r gS>H$ na IS>o hE&

Ama PnQ> boZo H$mo CZ go Hw$mo ^r h, AS>o hE&&

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(DHIN 21 (NR))2

(c) (i) Mb nS>o {OYa Xmo S>J _J _|,

~T> Mbo H$mo{Q> nJ Cgr Amoa&

nS> JB {OKa ^r EH$ {>

JT> J`o H$mo{Q> J Cgr Amoa&&

AWdm

(ii) {h_mb` Ho$ AmJZ _| Cgo W_ {H$aUm| H$m Xo Cnhma&

Cfm Zo hg A{^ZXZ {H$`m Ama nhZm`m hraH$ hma&

2. {H$gr EH$ H${dVm H$m gmame {b{IE& (10)

(a) {ejwH$

(b) H$Ho$B H$m nMmVomn

(c) `wJmdVma ~mny&&

3. {H$gr EH$ H${d H$m n[aM` Xr{OE& (10)

(a) VwbgrXmg

(b) O`eH$a gmX

(c) am_Ymar qgh {XZH$a

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(DHIN 21 (NR))3

4. {H$gr EH$ {df` na {Z~Y {b{IE& (20)

(a) XhoO Wm

(b) XoemXZ

(c) {dkmZ go hm{Z-bm^5. {H$gr EH$ gm{hp`H$ {df` na {Z~Y {b{IE& (20)

(a) draJmWm H$mb

(b) am_^pV emImVwbgrXmg

(c) N>m`mdmX

(d) {hXr ZmQ>H$ - O`eH$a gmX&

6. {hXr _| AZwdmX H$s{OE& (16)Laughter is indicative of joy. A man who laughs

radiates a happiness and wins friends one who is

incapable of laughter misses the zeal of life.

Laughter can be the best tonic. A man who cannot

laugh fails to attracts friends, loses his health,

grows pessimistic and deprives himself of any

pleasure in life.

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(DSAN 21 (NR))

B.A./B.Com./B.Sc./B.B.M./B.H.M. DEGREE

EXAMINATION, DECEMBER 2011.


Part I Sanskrit

Paper II DRAMA, CHAMPU, PROSE, HISTORY OF

LITERATURE, ALANKARAS, TRANSLATION AND

GRAMMAR


1. Answer any TWO :

`mo: Cma{bIV& (2 15 = 30)

(a) Explain the skill of characterisation of Bhasa

according to Urubhangam.^mg` nm{MU D$^o H$W AVr{V {Z$n`V&

(b) Explain the ideal friend ship of Srikrishna

and Sudama.

lrH$UgwXm_mo: _r AmXe_r{V {Z$n`V&

(c) Sketch the character of Jeemutavahana.

Or_yVdmhZ` nm{MU Hw$V&

(d) Write the story of "Urubhanga Natakam"

briefly.

gjonoU D$^ZmQ>H$H$Wm {bIV&

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(DSAN 21 (NR))2

2. (a) Write the story of "Bhishajo Bhaishajyam".

"{^fOmo f`_' H$Wm`m: gma {bIV: (10)Or

(b) Explain how Viswamitra attained the state

of Brahmarshi.

{ddm{_oU ~{fd H$W m{_{V {deX`V&

3. Explain any FOUR with reference to context :

(4 5 = 20)

Mdm[a ggX^ `m mV&

(a) A`mo`dr`{ZH$fm: nwfm: ^dpV&

(b) A gd} _hmamO` {_m{U Ed&

(c) H$mb{dn`mgmmo dpZd_mJV:&

(d) dfm{ZerWmX{deofdof_&(e) Am`mg: Ibw amO`_wpPVJwamo:&(f) grH$V Z~Y{_X XYm{V&

(g) {ZXm}fXeZm {h H$`H$m ^dpV&

(h) Amd`moamwOmam{_foUfm ohYmam emo Vo&

4. Write short notes on any TWO : (2 5 = 10)

`mo: bKwQ>rH$m {bIV&

(a) ~mU: (b) n#mV_

(c) e>amMm : (d) lrhf:

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(DSAN 21 (NR))3

5. Define and illustrate any TWO Alankaras :

(2 5 = 10)

m Ab>mam gmoXmhaU {ddUwV&

(a) Cojm (b) XrnH$_

(c) d^mdmo{$ (d) AZd`:

6. Write the forms of any THREE cases of the

following :

`mUm VmV {d^{$fw nm{U {bIV: (3 2 = 6)

(a) _Zg- VVr`m (b) amOZ - W_m

(c) dmH$ - VVr`m (d) A_X - g_r

(e) `w_X - W_m (f) _V - f>r

7. Write any FOUR forms of the following adding thegiven termination : (4 1 = 4)

(a) Am-h-`n (b) nm-Vw_wZ

(c) Xm-H$dm (d) {O-(nw)-V`

(e) {bI - Vw_wZ (f) b^y (nw)-H$V

8. Translate any FIVE sentences into English or

Telugu : (5 2 = 10)

n#m dmH$m{Z Amb ^mfm`m AmY^mfm`m dm AZwdmX Hw$V&

(a) AOrU}^moOZ {df_&

(b) gVmof: na_ gwI_&

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(DSAN 21 (NR))4

(c) nw:ewanpS>V:&

(d) Z _mVw: naX$_

(e) gnVm {dnmmM _hVm_oH$$nVm&

(f) ZmpV VUm g_mo `m{Y:&(g) _hmOZmo `oZ JV: g nWm:&

(h) AW_ZW ^md` {Z`_&

(i) Cmo{JZ nwfqgh_wn{V b_r:&

(j) Z{h gwI X:I{dZm b`Vo&

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(DTEL 21)

B.A./B.Com./B.Sc./B.B.M./B.H.M.

DEGREE EXAMINATION, DECEMBER 2011.


Part I Telugu

Paper II POETRY, PROSE, DRAMA, PROSODY, POETICS AND ESSAY


1. {M sZ JM M { >$ >$y. (1 8 = 8)

(a) $$y$ V>y$ >{#y$ M$ y$, O

$$ VrM$$ g$$ W$st

y$ >>M$ M$ {$ $$ $y$

$$ V> M$ y$y$ r$tMr$t $

(b) D$ $st y$$ _a ZM$

V> $ya{$ Mst$r W Mf

{Q$O *$$ $$ g Wy

V> M$ Mu MMu* MM>M .

2. {M sZ { V $y y$ Q$ >$y. (4 3 = 12)

A-&V

(a) $#Z $$ f {y.

(b) *$O {$M$ * M?

(c) M$~ $a ^y$

(d) ${y M $ $.

B&V

(e) Q $

(f) HV$M $MV$

(g) { $M> M$ M>

(h) $ {$M$Z yN$O $$>

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3. {M sZ { V $y JMM * >$y. (2 10 = 20)

A&V

(a) {$ $~M y.

(b) $ $ $ B$ ~_ y.

B&V

(c) "{ # A } } ' y.

(d) " & {f$ Z {>$M O y.

4. {M sZ { V $y JMM * >$y. (2 10 = 20)

A&V

(a) >$ M> s *hM i $ $y.

(b) $M> Z M$ M~> _ $$ $ $y.

B&V

(c) A "$$ {' Ot M y.

(d) $Vs f* > E $ {$ y.

5. {M sZ ysM * >$y. (2 10 = 20)

(a) {M$ M> s *hM V$$

(b) {$ {M*M A$$ y.

(c) {M$Z { $ $y.

(d) {M$ rM _

6. {M sZ JM V*a >$y. (1 10 = 10)

(a) *

(b)

(c) $V $.

7. (a) (i) {M M Vf , b$$ V$_ $ Py. (1 5 = 5)

"$$y$ V>y$ >{#y$ M$ y$ O .

(ii) {M sZ JMM V> y.

(1) E *

(2) >*

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(b) (i) {M Z AM>> $$$ y. (1 5 = 5)

"A $ $$

$$$ $M $M yZ

{y MM , ! $ r$t W O y$'

(ii) {M AM>>ZJMM V> y.

(1) E{>M>

(2) M AM>.

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(DBES 21)

B.A./B.Com./B.Sc. DEGREE EXAMINATION,DECEMBER 2011.


Paper II ENVIRONMENTAL STUDIES


PART A (4 10 = 40 marks)

Answer any FOUR questions.

Each question carries 10 marks.

1. What are the components of environment?2. Classify natural resources.3. State the impact of human activities on mineral

resources.

4. Explain the structure of biodiversity.5. What are the threats to biodiversity?6. State the effects of nuclear pollution.7. Explain the problems of urbanisation.8. Enumerate the recent trend in climate change.

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(DBES 21)2

PART B (3 20 = 60 marks)

Answer any THREE questions.


9. Describe scope and importance of environmentalstudies.

10. What is the impact of human activities on forestresources?

11. Elucidate the contribution of internationalorganisations in the conservation of biodiversity.

12. State the causes and consequences of waterpollution.

13. Bring out the role of individuals in the control ofpollution.

14. Explain the social issues in the growth ofpopulation.

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(DSMAT 21)

B.Sc. DEGREE EXAMINATION, DECEMBER 2011.


Part II Mathematics

Paper II SOLID GEOMETRY AND REAL ANALYSIS


SECTION A (8 5 = 40 marks)

Answer ALL questions.

1. Find the equation of the plane passing through the line of intersection of the planes

1=++ zyx , 0432 =++ zx and perpendicular to the plane 432 = zx .

1=++ zyx , 0432 =++ zyx $-# V$y $$$ 432 = zx M V> Ey

$-M-- M$-MPy.

2. Determine the magnitude and the equations of the line of shortest distance between the lines

;2

2

3

1

4

=

+=

zyx06325 =+ zyx , 0323 =+ zyx .

;2

2

3

1

4

=

+=

zyx06325 =+ zyx , 0323 =+ zx Q $ M x *> *_ Q-

$-M--, -*- M$-MPy.

3. Find the equation of the sphere having the circle 08410222 =+++ zyzyx , 3=++ zyx

as a great circle.

08410222 =+++ zyzyx , 3=++ zyx A V$$ V> V-W V $-M-- M$-MPy.

4. Find the enveloping cone with the vertex at the origin and generators touching the sphere

0142222 =+++ zxzyx .

$* $#$ V> MW, E--M>$ 0142222 =+++ zxzyx A V M M$# $-M-

M$-MPy.

5. Show that every convergent sequence is bounded and that every bounded sequence has

atleast one limit point.

A-- { A$-{M$ - A#-$--, { - A$-{M$ M JM A $#$ MW Er$

*y.

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6. Prove that ex

x

n=

+

11lim .

ex

x

n=

+

11lim A *- y.

7. If f is differentiable at a point [ ]bac , then show that f is continuous at c . Is the converse

of this result true? Justify your answer.

JM $# [ ]bac , f A-M--$ A$$-, c fA-_e A *y. D -$ -*?

$ *-- $- $-My.

8. If f is monatomic on [ ]ba, , then prove that f is Rieman integrable on [ ]ba, .

[ ]ba, $ {$$ f HM- t-$-$$-, [ ]ba, $ f {$$ *- *-M--$ A *- y.

SECTION B (4 15 = 60 marks)

Answer ALL questions.


9. (a) (i) Show that the equation 0615105461294 222 =++++++ zyxxyzxzyzyx

represents a pair of parallel planes and find the distance between them.

0615105461294 222 =++++++ zyxxyzxzyzyx $M- y$ *

-$ *_-$ *y $$$ s $ *> M$-MPy.

(ii) Find the equation of the sphere which touches the sphere

0162222 =++++ yxzyx at the point ( )2,2,1 and passes through the origin.

0162222 =++++ yxzyx A V ( )2,2,1 M$*, $* $# V$y

$ V $-M-- M$-MPy.

Or

(b) (i) Show that the Polar line of 33

2

2

1+=

=

+

zyx

with respect to the sphere

1222 =++ zyx is the line15

72

11

37

=

=+ zyx

.

1222 =++ zyx V x 33

2

2

1+=

=

+z

yx $$MP Q

15

72

11

37

=

=+ zyx

Q A#-$ *y.

(ii) Find the image of the point ( )3,1,2 in the plane 0923 = zx .

0923 = zyx Z

( )3,1,2 $# $$MP {- M$-MPy.

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10. (a) (i) Find the equation of the cone whose vertex is ( ) ,, and whose base is

122 =+ byax ; 0=z .

122 =+ byax ; 0=z B-V> VW, ( ) ,, V> V-W-$$ M$# $-M-- M$-MPy.

(ii) Find the equation of the right circular cylinder of radius 2 whose axis pass

through ( )3,2,1 and direction cosines proportional to 6,3,2 .

2 -V> ( )3,2,1 V$y A$$ *, M MO $ 6,3,2 M AM$- -Z Ey $ *

$-M-- M$-MPy.

Or

(b) (i) Find the equation of the cylinder whose generators are parallel to321

zyx== and

guiding curve is 1622 =+ yx , 0=z .

321

zyx== M *-V> Ey E--M>-, 1622 =+ yx , 0=z $ VOyV {MV> V-W

* $-M-- M$-MPy.

(ii) If the plane 02 =+ zcyx cuts the cone 0=++ yxxzz in perpendicular lines,

determine c .

02 =+ zcyx A , 0=++ yxxzzy M$-#$ V> b $s, c $-$

>- y.

11. (a) (i) Prove that a function f is continuous on [ ]ba, if and only if f is uniformly

continuous on [ ]ba, .

[ ]ba, $ f A_e [ ]ba, $ f HM-* A-_e, A *y.

(ii) State and prove the Cauchy's n -th root test.

M n& $* -$ {-__, *- y.

Or

(b) (i) Test the convergence of the series

=22 log

1

n nn.

=22 log

1

n nn{ A----$ - y.

(ii) Define a Cauchy's sequence. Prove that a sequence is convergent iff it is a

Cauchy's sequence.

M A${M* -_ y. JM A${M$ A-- -y-M, A M A$-{M$ M>y B--M

> $$ A *- y.

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12. (a) (i) State and prove the Rolle's theorem.

{-__, *- y.

(ii) Write the Taylor expansion with Lagrange's form of remainder for

( ) ( )xxf += 1log when 2=a and 4=n .

2=a , 4=n A$$- -y$ ( ) ( )xxf += 1log M$ {V>g *Z -$$-, s --$>$y.

Or

(b) (i) If [ ] Rbaf ,: is continuous on [ ]ba , then prove that f is R-integrable on[ ]ba, .

[ ] Rbaf ,: {$$ [ ]ba , $ A-_e A$$, [ ]ba , $ f * *-M--$ A

*- y.

(ii) When do you say that a bounded function [ ] Rbaf ,: is Riemann integrable?Define f on [ ]ba, by ( ) 1=xf , Qx ( ) 1=xf , Qx \R . Is f bounded on [ ]ba, ?Find whether f is -integrable on [ ]ba, .

JM - {$$ [ ] Rbaf ,: Gy$ * *M--$ As? [ ]ba , O f $ ( ) 1=xf ,

Qx $$$ ( ) 1=xf , Qx \R V> -_. [ ]ba , O f - A#-$? [ ]ba , O

f * *-M--$ A#-$* M$-MPy.

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(DSPHY 21)



Part II physics

Paper II THERMO DYNAMICS AND OPTICS


PART A (2 15 = 30 marks)

Answer any TWO of the following.

1. What are transport phenomena in gases? Derive an expression for the coefficient of viscosity

of gas on the basis of kinetic theory.

$$#Z A V$ W*$ AV>$? A$ $$# V V$M>M *E y.

2. Describe the working of Carnoty engine and derive an expression for its efficiency.

M> ${$$ V$_ _, $$ $$$ M$ $M E y.

3. State Plank hypothesis and derive Planks how for energy distribution in the block body,

radiation.

M {$ , {M~ $#M$ _ M M $* >rty.

4. State and explain Bose-Einstein and Fermi-Dirac distribution law.

Z& It $$$ y>M $*$ __ y.

PART B (2 15 = 30 marks)

Answer any TWO of the following.

5. What is spherical aberration? Explain spherical aberration by phone refracting surface.

V$ As H$s? $ {M MV V$ $$$.

6. Explain the determination of Wavelength of light using Fresnels biprism experiment.

{ stM$$$*W_ VO> M$V$ $$$ $$$.

7. Describe Framhoper diffraction due to a single slit and deduce the positions of Maxima and

Minima.

Js `M MV { Z y. Vt $$$ Mt { V ~$$ y.

8. What is Laser? Explain the working of He-Ne laser. What are laser applications?

AV>$? He-Ne $$ $$$. A$ $ V*a {$$$$.

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PART C (4 5 = 20 marks)

Answer any FOUR of the following.

9. State the postulates of kinetic theory of gases.

$$ A$ $$ E$ $#$$.

10. Explain entropy.

G{s V*a {$$$$.

11. What are reversible and irreversible process?

V $$$ $V {{M$$ AV>$?

12. Explain Joule - Kelvin effect. Obtain an expression for Joule - Kelvin coefficient.

""go&M $$$ $$$. go&M V$M$$M$ *$$$ >r$t$$.13. Explain the principle of refrigeration.

M$$ $ C$y E *{$$$ #$$.

14. Discuss the results of Porus Plug experiment.

V $ $$$.

15. Deduce Stefans how from planks radiation formula.

M M *{ $y t *{$$$ >r$t$$.16. How does the temperature of the sun can be determined by using solar constant?

>M> E*W_ *$ E~{V$ HV> ~$$ $#$$.

PART D (4 5 = 20 marks)

Answer any FOUR of the following.

17. Deduce system matrix for a thick lens.

MrM$$ $$MP *{M$ >r$t$$.18. Explain assignation.

$ $ #$$.

19. Distinguish between interference and diffraction.

M$$, $$ $ $$$$ $$$.

20. Explain the conditions for interference of light.

M> M$$M$ $ $#$$.

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21. Explain Zone phates.

gZ r $ $$$.

22. State and explain how to Malus.

* $$$$$ $$$.23. What are the applications of holography?

ZZ{V E*V$$$ $#$$.

24. Mention the applications of pohirised light.

M> A$ $ $#$$.

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(Examination at the end of SecondYear)

Part II Electronics

Paper II ELECTRONIC DEVICES AND CIRCUITS


Answer any FIVE questions.

All questions carry equal marks.

1. (a) Explain the dependence of mobility ondoping and temperature in semiconductors.

(b) Obtain the diode equations and give itsinterpretation.

2. (a) Draw the V-I characteristics of a P-Njunction diode and explain a diode can act asa non linear element.

(b) Explain the working of a Tunnel diode.

3. (a) Draw the diagram of BJ T in the CEconfiguration and explain its input and

output characteristics.(b) Explain an experiment to draw the I /P and

O/P characteristics in CC configuration.

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4. (a) Explain the classification of amplifiers basedon frequency range.

(b) Draw the circuit of a RC coupled CE

amplifier and explain its operation.

5. (a) State the Barkhausen criterion and mentionits importance.

(b) Explain the concept of Darlington pair.

6. (a) With a neat sketch explain the working ofHartly oscillation.

(b) Draw the equivalent circuit of emitter

follower and explain its working.

7. (a) Describe the construction and working ofJ FET with a neat circuit.

(b) Explain its various biasing modes.

8. (a) Describe the construction of SCR with neatsketch.

(b) Write the application of SCR for powercontrol.

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9. Explain the construction, operation andcharacteristics of photoconductive cells.

10. Describe the construction and operation of UJ T.

71-bsc2(1).pdf

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