gerak gempur answer by mashuri smkdm

8/9/2019 gerak gempur Answer by Mashuri SMKDM

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1 Which of the following is not part of the human respiratory system?( Mana di antara berikutbukan organ sistem respirasi manusia?)

A Trachea C Pulmonary artery

B Ribs D Intercostal muscles


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2 Which of the following is the correct sequence to show how air enters the lungs?

(Manakah urutan yang betul bagi menunjukkan

bagaimana udara masuk ke dalam paru-paru?)

A Trachea, bronchiole, lung, alveolus

B Trachea, bronchus, bronchiole, alveolus

C Bronchus, trachea, bronchiole, lung

D Trachea, alveolus, bronchus, bronchiole


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3 Which of the following correctly shows the contents of inhaled air and exhaled air?

(Manakah pernyataan yang betul mengenai

kandungan udara sedutan dan kandungan udara hembusan)

Gas Inhaled

air(sedutan)

Exhaled air(hembusan)

I Oxygen 21% 16%

II Carbon dioxide 0.03% 4%

III Nitrogen 78% 87%IV Water vapour A little 50%

A Iand II only C II,IIIand IV onlyB IIIand IV only D I,II,IIIand IV


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Gas Inhaled

air(sedutan)

Exhaled air(hembusan)

I Oxygen 21% 16%

II Carbon dioxide 0.03% 4%

III Nitrogen 78% 87%IV Water vapour A little 50%

A Iand II only C II,IIIand IV onlyB IIIand IV only D I,II,IIIand IV


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4 How are the alveoli adapted to enable the efficient exchange of gases?

(Apakah ciri-ciri alveoli yang membolehkan

pertukaran gas berlaku dengan berkesan?)I Have a large network of blood capillaries

(Mempunyai jaringan kapilari darah yang banyak)

II Have a large surface area(Mempunyai permukaan yang luas)

III Have dry surfaces(Mempunyai permukaan yang kering)

IV Have cell walls that are one-cell thick

(Mempunyai dinding sel setebal satu sel)

AI and II only C I, II and IV only

BIII and IV only D I, II, III and IV


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5 Cell respiration can be represented by the following word equation:

(Respirasi sel diwakili oleh persamaan berikut):

Glucose + J K + water+ carbon dioxide

What do J and K represent?(J dan K mewakili apa?)

J K

AOxygen FoodBOxygen Energy

C Haemoglobin Amino acids

DRibosomes Energy


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5 Cell respiration can be represented by the following word equation:

(Respirasi sel diwakili oleh persamaan berikut):

Glucose + J K + water+ carbon dioxide

What do J and K represent?(J dan K mewakili apa?)

J K

AOxygen FoodBOxygen Energy

C Haemoglobin Amino acids

DRibosomes Energy


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6 How does oxygen in the alveolus enter the blood?

(Bagaimana oksigen dalam alveolus masuk ke dalam darah?)

ABy osmosis C By diffusion

BBy reverse osmosis D By transpiration


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7 Which of the following diseases is caused by smoking cigarettes?(Penyakit yang disebabkan oleh merokok?)

I Lung cancer III BronchitisII Emphysema IV Hepatitis

A I and II only C I, II and III only

B III and IV only D I, II, III and IV


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I Lung cancer III Bronchitis

II Emphysema IV Hepatitis




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8 Why are cigarette smokers sometimes short of breath?

(K

enapakah perokok kadang kala seperti kekurangan udara untuk bernafas?)

A Their lung tissue has turned black.

(Tisu peparu telah bertukar menjadi hitam)

B Cigarette smoke reduces the amount of oxygen in the blood.

(Asap rokok mengurangan kandungan oksigen di dalam darah)

C Their lung tissue contains nicotine.(Tisu paru-paru mengandungi nikotina)

D There are many poisonous gases in their lymphatic system

(Terdapat gas beracun di dalam sistem limfatik mereka).


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9 Which of the following pollutants and their effects is correctly matched?

(Manakah padanan yang betul mengenai bahan cemar dan kesannya?)

Pollutant(Bahan cemar) Effect(Kesan)A Haze(jerebu) Causes cancer(menyebabkan kanser)

B Tar Reduces the acidity of the lungs

(mengurangkan asid dalam paru-paru)

C Carbon dioxide Increases cell activity(meningkatkan aktiviti sel)

D Sulphur dioxide Damages lung tissue(merosakkan tisu paru-paru)


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10 Which of the following pollutants is carcinogenic?

(Manakah bahan cemar yang karsinogen)

A Tar C Carbon monoxide

B Nitrogen dioxide D Carbon dioxide


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11 Which of the following activities causes haze?

(Manakah antara aktiviti berikut yang menyebabakan jerebu?)

AGenerating hydroelectricity(Menjana hidroelektrik)

BExcessive spraying of chemical pesticides

(Menyembur racun serangga secara berlebihan)

CBarbecuing food (Berbeku makanan)

DBurning of agricultural waste(Membakar sisa pertanian)


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12 Which of the following facts about the heart is correct?

(Pernyataan yang betul mengenai jantung)

I The heart has four chambers(mempunyai empat ruang)

II Blood enters the heart at the auricles

(darah memasuki jantung melalui aurikel)

III The ventricles push blood out of the heart

(Ventrikel menolak darah keluar dar jantung)

IVThe bicuspid valve is situated between the left auricle and the left ventricle

(Injap bikuspid terletak di antara aurikel kiri dan ventrikel kiri)

A I and III only C I, II and III only

B II and IV only D I, II, III and IV


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I The heart has four

chambers(mempunyai empat

ruang)II Blood enters the heart at the

auricles

(darah memasuki jantung

melalui aurikel)

III The ventricles push blood out

of the heart(Ventrikel menolak darah

keluar dar jantung)

IVThe bicuspid valve is situated

between the left auricle and

the left ventricle

(Injap bikuspid terletak diantara aurikel kiri dan

ventrikel kiri)


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auricles


melalui aurikel)



keluar dar jantung)



the left ventricle


ventrikel kiri)


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auricles


melalui aurikel)



keluar dar jantung)



the left ventricle


ventrikel kiri)


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auricles


melalui aurikel)



keluar dar jantung)



the left ventricle


ventrikel kiri)


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12 Which of the following facts about the heart is correct?

(Pernyataan yang betul mengenai jantung)

I The heart has four chambers(mempunyai empat ruang)

II Blood enters the heart at the auricles

(darah memasuki jantung melalui aurikel)

III The ventricles push blood out of the heart

(Ventrikel menolak darah keluar dar jantung)

IVThe bicuspid valve is situated between the left auricle and the left ventricle

(Injap bikuspid terletak di antara aurikel kiri dan ventrikel kiri)




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13 From which part of the heart does the blood leave to go to the lungs?(Dari bahagian manakah darah meninggalkan jantung ke paru-paru)?

A The right ventricle C The left ventricleB The right auricle D The left auricl


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14 Which of the following is not a human blood type?(Manakah bukanjenis darah manusia?)

AA C O

B B D ABO


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15 Why is aperson withOblood type considered a universal donor?(Kenapakah individu yang mempunyai darah jenis O dikatakan penderma universal?

A Becausepeople withall otherblood types can receiveO typeblood.(Kerana individu yang mempunyai darah jenis lain boleh menerima darah O)

B Becausepeople withO typeblood can onlyreceiveO typeblood.(Kerana individu yang mempunyai darah jenis O boleh menerima darah O sahaja)

C Becausepeople withAand B typeblood can receiveO typeblood.(Kerana individu jenis darah A dan B boleh menerima darah dari jenis O)

D Becausepeople withAand B typeblood can donateO typeblood.(Kerana individu jenis darah A dan B boleh menderma kepada darah jenis O


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15 Why is aperson withOblood type considered a universal donor?(Kenapakah individu yang mempunyai darah jenis O dikatakan penderma universal?

A Becausepeople withall otherblood types can receiveO typeblood.(Kerana individu yang mempunyai darah jenis lain boleh menerima darah O)

B Becausepeople withO typeblood can onlyreceiveO typeblood.(Kerana individu yang mempunyai darah jenis O boleh menerima darah O sahaja)

C Becausepeople withAand B typeblood can receiveO typeblood.(Kerana individu jenis darah A dan B boleh menerima darah dari jenis O)

D Becausepeople withAand B typeblood can donateO typeblood.(Kerana individu jenis darah A dan B boleh menderma kepada darah jenis O


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16 When is a blood transfusion necessary?

(Bilakah pemindahan darah diperlukan?)

A When a person is in a lot of pain

(Apabila individu itu di dalam kesakitan)

B When a person has fainted

(Apabila individu itu pengsan)

C When a person has lost a lot of blood during surgery

(Apabila individu itu kehilangan banyak darah semasa pembedahan)D When a person is admitted to hospital

(Apabila individu itu dimasukkan ke hospital)


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17

The figure above shows an activity that was carried out.

What do you think happened after one month?

(Rajah menunjukkan satu aktiviti yang telah dilakukan.Apa akan berlaku selepas satu bulan?)

A The plant died(tumbuhan akan mati)

B The section of the stem just above the ring of bark removed became swollen

(bahagian bawah kulit yang dibuang akan membengkak)

CT

he leaves of the plant turned yellow(daun bertukar kuning)D Transpiration did not take place(transpirasi tidak berlaku)


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By Mashuri@e-Learning for life

Contract and

wilts

Swollen


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17

The figure above shows an activity that was carried out.

What do you think happened after one month?

(Rajah menunjukkan satu aktiviti yang telah dilakukan.Apa akan berlaku selepas satu bulan?)

A The plant died(tumbuhan akan mati)

B The section of the stem just above the ring of bark removed became swollen

(bahagian bawah kulit yang dibuang akan membengkak)

CT

he leaves of the plant turned yellow(daun bertukar kuning)D Transpiration did not take place(transpirasi tidak berlaku)


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18 Which of the following facts is correct?(manakah faktor yang betul?)I The xylem transports mineral salts to the leaves

(Xilem mengangkut garam mineral ke daun)II The xylem and phloem tubes help support the plants

(Salur xilem dan floem menyokong tumbuhan)

III The xylem transports food to the leaves(Xilem mengangkut makanan ke daun)

IV The xylem is lined with lignin tissue

(Xilem sederet dengan tisu lignin)

A I and III only C I, II and IV only



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Page 26By Mashuri@e-Learning for life


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Page 26By Mashuri@e-Learning for life


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PHLOEM

XYLEM


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PHLOEM

XYLEM


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18 Which of the following facts is correct?(manakah faktor yang betul?)I The xylem transports mineral salts to the leaves

(Xilem mengangkut garam mineral ke daun)II The xylem and phloem tubes help support the plants

(Salur xilem dan floem menyokong tumbuhan)

III The xylem transports food to the leaves(Xilem mengangkut makanan ke daun)

IV The xylem is lined with lignin tissue

(Xilem sederet dengan tisu lignin)




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19

The figure above shows the cross-section of a stem. What is the part labelledX?(Rajah menunjukkan keratan rentas batang pokok. Apakah X?)

A The phloem

B The xylem

C The stomata

D The epidermis


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19

The figure above shows the cross-section of a stem. What is the part labelledX?(Rajah menunjukkan keratan rentas batang pokok. Apakah X?)

A The phloem

B The xylem

C The stomata

D The epidermis


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20 Which of the following is not a human excretory organ?(Manakah bukan organ perkumuhan manusia?)

A Kidney C Nose

B Skin D Lung


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21 Which of the following excretory products is excreted by the kidneys, lungs and skin?

(Manakah bahan kumuh berikut yang dikumuhkan oleh ginjal, paru-paru dan kulit?)

I Carbon dioxide III Mineral saltsII Water IV Urea

A I only C II and III only

B II only D I, II and IV only


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22

The figure above shows the human urinary system.

What do the structures labelled M, N and O in the figure above, represent?

(Rajah menunjukkan system pembuangan air kecil . Struktur M,N dan O mewakili ... )

M N OA ureter bladder urethra

B urethra bladder ureter

C urethra ureter bladder

D ureter urethra bladder


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Page38

Removeexcess water, urea,andmineral salts from theblood

Channels urine from the kidneysto the urinarybladder

Stores urine

Channels urine to outside thebody

Transports oxygenated blood tothe kidneys

Transports deoxygenated bloodfrom the kidneys


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22

The figure above shows the human urinary system.

What do the structures labelled M, N and O in the figure above, represent?

(Rajah menunjukkan system pembuangan air kecil . Struktur M,N dan O mewakili ... )

M N OA ureter bladder urethra

B urethra bladder ureter

C urethra ureter bladder

D ureter urethra bladder


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23 Which of the following habits should we practise to maintain healthy kidneys?

(Aktiviti yang perlu dilakukan bagi menjaga kesihatan ginjal )

I Exercise regularly (selalu senaman)II Drink plenty of water(minum banyak air)

III Eat food high in salt(makan makanan yang mangandungi garam yang banyak)

IVAvoid consuming food and drink contaminated with dangerous

substances such as lead or mercury

(elakkan mengambil makanan dan minuman yang tercemar

dengan bahan yang berbahaya seperti plumbum dan merkuri)

A I and IV only C I, II and III only



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24 A patient has been advised to undergo dialysis treatment twice a week.

What is this patient most likely suffering from

(Seorang pesakit dinasihatkan menjalani rawatan dialysis dua kali seminggu.Apakah yang pesakit ini hidapi?)

A Kidney failure C Lung cancer

B Hepatitis D Heart disease


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25 Which of the following is a plant excretory product that can be harmful to humans?

(Manakah bahan kumuh tumbuhan yang berbahaya kepada manusia?)

I Resin III Caffeine

II Morphine IV Opium

A I and III only C II, III and IV only

B II and III only D I, II, III and IV


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26 Which of the following is not a method used by plants to remove excretory products?(Manakah bukan kaedah yang digunakan

oleh tumbuhan untuk mengeluarkan bahan kumuhnya?)

A Carrying out photosynthesis(menjalankan proses fotosintesis)

B Producing fragrant flowers(menghasilkan bunga yang berbau)

C Shedding leaves(menggugurkan daun)

D Growing through tropism responses(membesar melalui tindakbalas tropisim)


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X

Oxygen

Carbon dioxide

Complex waste

products

Water

Excretory products of plants

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26 Which of the following is not a method used by plants to remove excretory products?(Manakah bukan kaedah yang digunakan

oleh tumbuhan untuk mengeluarkan bahan kumuhnya?)

A Carrying out photosynthesis(menjalankan proses fotosintesis)

B Producing fragrant flowers(menghasilkan bunga yang berbau)

C Shedding leaves(menggugurkan daun)

D Growing through tropism responses(membesar melalui tindakbalas tropisim)


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27 Oxygen is an excretory product that is produced during photosynthesis.

Oxygen is removed from the plant by

(Oksigen adalah bahan kumuh yang dihasilkan semasa fotosintesis.Oksigen dibebaskan oleh tumbuhan melalui.. )

A transpiration C osmosis

B diffusion D respiration


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28 Morphine and cocaine can cause addiction.

What is another side effect of these drugs?

(Morfin dan kokain boleh menyebabkan ketagihan.

Apakah kesan sampingan lain dadah?)

A A person can lose his reasoning ability(boleh hilang keupayaan berfikir)

B A person can lose his excretion ability(boleh hilang keupayaan berkumuh)

C A person can lose his sight(boleh hilang penglihatan)

D A person can lose his hearing(boleh hilang pendengaran)


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29 What happens when a foetus in its mothers uterus is about to be born?

(Apa yang berlaku apabila fetus dalam uterus ibu akan dilahirkan?)

I Its umbilical cord bursts(talipusat pecah)II Its head points downwards(kepala bayi ke bawah)

III The uterine wall contracts(dinding uterus mengecut)

IV The amnion bursts(amnion pecah)

A I and II only C II, III and IV only



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I Its umbilical cord bursts(talipusat pecah)

II Its head points downwards(kepala bayi ke bawah)III The uterine wall contracts(dinding uterus mengecut)





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30 Which of the following substances must be avoided by a pregnant woman?

(bahan yang perlu dielakkan oleh ibu mengandung?)

IC

alcium III AlcoholII Iron IV Nicotine


B III and IV only D I,II,IIIand IV


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IC




Nutrient Why it is needed

Proteins Important forbuilding cells fortherapid growth of the foetus

Calcium Important forthe development ofstrongbones and teeth

Iron To produceenoughhaemoglobin intheblood

Vitamins To protect theexpectant motherandthe foetus against diseases

Roughage orfibre To prevent constipation


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IC


A I and II only C

B III and IV only D


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IC




Habit Eff ectsCigarette smoking Reduces the quantity of oxygen received by

the foetus

Drugabuse Thepregnant woman may sufferfrom

anaemia(lack ofhaemoglobin in theblood),heart disease, diabetes andhepatitis

The likelihood ofmiscarriageandprematurebirthmay increase

Drinkingalcohol Thebabymaybeborn withphysicalhandicapand mental retardation.This isknown as foetal alcohol syndrome.


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IC





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31 What is the main difference between

sexual reproduction and asexual reproduction?

(perbezaan antara pembiakan seks dan pembiakan aseks?)

Sexual reproduction Asexual reproduction

A Occurs in animals(dalam haiwan) Occurs in plants

(dalam tumbuhan)

B Has genetic variation(ada variasi genetik) No genetic variation

(tiada variasi genetik)

C Involves two gametes(libatkan 2 gamet) Involves one gamete(libatkan 1 gamet)

D Only one new individual produced Many new individuals produced

(1 individu baru terhasil) (banyak individu baru terhasil


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32 What is the purpose of reproduction?(apa tujuan pembiakan?)A To introduce genetic variation C To produce eggsB To produce gametes D To produce offspring


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33 Which of the following is a female gamete?(Mana satu gamet perempuan?)

A Ovum C Ovary

B Embryo D Fallopian tube


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34Which of the following produces the male gamete?(Mana satu menghasilkan gamet lelaki?)

AS

permB Penis

C Prostrate gland

D Testes


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35

Which organism reproduces in the same way as the organism in the figure shownabove?

(Organisma mana yang membiak dengan cara yang samasepertiorganism di

atas?)

A Amoeba C Yeast

B Bryophyllum DS

tarfish


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36

What is the main difference between a baby and a young child,

as shown in the figure above?(Apakah perbezaan utama antara bayi dan kanak-kanak

seperti yang ditunjukkan dalam rajah di atas?)

Baby Child

A More muscular Less muscular

B Grows slower Grows fasterC Head is big compared to body Head is smaller compared to body

D Longer limbs compared to body Shorter limbs compared to body


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37

The graph above shows the growth curve of humans. Which of the parts labelled

A, B, C orD, represents the adolescence stage of human growth and development?

(Graf di atas menunjukkan lengkung pertumbuhan manusia.

Bahagian mana menunjukkan peringkat remaja ?)


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38 How long does the period of human pregnancy normally last?

(Berapa tempoh kehamilan manusia?)

A 4 months C 12 months

B 9 months D 15 months


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39 Which of the following nutrients is the most important for growth in children?

(Nutrien yang penting untuk kanak-kanak sedang membesar)

A Fats C Carbohydrates

B Minerals D Proteins


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40 Why must sufficient vitamins and minerals be included in the diet of adolescents?

(Kenapa vitamin dan mineral yang secukupnya diperlukan dalam diet remaja?)

A To prevent obesity(mengelakan obesiti)

B For faster growth(untuk pertumbuhan yang cepat)

C To prevent diseases(untuk mengelakkan penyakit)

D To provide energy(untuk menghasilkan tenaga)


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41 Why must adults continue to consume proteins even

when they do not grow in height?

(Kenapa orang dewasa perlu terus mengambil protin

walaupun mereka tidak meninggi lagi?)

A To obtain energy (mendapatkan tenaga)

B To repair damaged cells(membaiki sel yang rosak)

C To prevent obesity(mengelakkan obesiti)

D To prevent diseases(mengelakkan penyakit)


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42 Why do some old people appear shorter?

(Kenapa ada sebahagian orang tua kelihatan lebih pendek?)

A As a result of hearing loss(akibat kehilangan pendengaran)

B As a result of heart disease(akibat penyakit jantung)

C As a result of nerve disease(akibat penyakit saraf)

D As a result of osteoporosis (akibat osteoporosis)


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44 Why is height a better indicator of growth than weight?

(Kenapa ketinggian merupakan indikator tumbesaran

yang lebih baik untuk berbanding berat?)

A Height is easily measured

B Height is irreversible

C Height is visible

D Height is measured in centimetres


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45 Which of the following factors influences human growth the most?

(Faktor utama yang mempengaruhi pertumbuhan?)

A Physical exercise C Type of education received

B Nutrition D Climate


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46 Which of the following is a natural form of calcium carbonate?

(Bentuk kalsium karbonat semulajadi?)

I Mica III EggshellsII Rubies IV Limestone




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47 What happens when water is added to quicklime?

(Apa yang berlaku apabila air dicampurkan ke kapur tohor?)

A Water vapour is released C Heat is absorbed

B Heat is released D Calcium carbonate is formed


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48 Which of the following facts is notcorrect?(Fakta yangtidakbenar)

A It takes a few thousand years for oil and natural gas to be formed(Ia mengambil masa beribu tahun untuk minyak dan gas asli terbentuk)

B Oil and natural gas are normally found together

(Minyak dan gas asli selalunya dijumpai bersama)

C Fossil fuel is a compound

(Bahan api fosil ialah sejenis sebatian)

DC

oal is formed from the remains of rainforest trees(Batu arang terbentuk daripada sisa tumbuhan hutan hujan)

49


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49

What is the aim of the activity shown in the figure above?

(Apakah tujuan aktiviti di atas?)

A To purify petroleum

B To dissolve porcelain chips

C To obtain petroleum fractions

D To study the combustion of petroleum


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50

The figure above shows the fractional distillation of petroleum. In which of the parts

labelled A, B, C orD, is kerosene collected?

(Rajah menunjukkan penyulingan berperingkat petroleum.Bahagian mana kerosin terkumpul?)


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51 Which of the following petroleum fractions


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is obtained at 280oC during the fractional distillation process?

(Apakah yang akan terhasil pada suhu 280oC

semasa proses penyulingan berperingkat?)

A Lubricants C Diesel

B Bitumen D Petrol


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is obtained at 280oC during the fractional distillation process?

(Apakah yang akan terhasil pada suhu 280oC

semasa proses penyulingan berperingkat?)

A Lubricants C Diesel

B Bitumen D Petrol


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52 Which of the following is used as fuel for jet aircraft?

(Mana satu digunakan sebahan bahan api pesawat jet?)

A Petrol C Lubricant

B Kerosene D Petroleum gas


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54 Which of the following is a silicon compound?

(Mana diantara berikut sebatian silicon?)

I Asbestos III Shells

II Mica IV Cement



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55 H i ili d i t ?


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55 How is silicon used in computers?

(Bagaimana silicon digunakan dalam computer?)

A To make the keyboard C To make the wires

B To make computer chips D To make the screen

Electronic chips


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55 Ho is silicon sed in comp ters?


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55 How is silicon used in computers?

(Bagaimana silicon digunakan dalam computer?)

A To make the keyboard C To make the wires

B To make computer chips D To make the screen


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No change/ do notdecompose

Pg 90

Water Hcl Heated

Do not dissolve No change/do not react

56 D t t ith id


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56 Does not react with acids(tidak bertindakbalas dengan asid)

Does not decompose when heated(tidak terurai apabila dipanaskan)

Does not dissolve in water

(tidak larut dalam air)

Which of the following substances fit the description above?(Bahan yang menepati ciri-ciri di atas)

A Silicon compounds

B Calcium compounds

C Lead compounds

D Hydrogen compounds

57 Which of the following factors determines the amount of resistance in a circuit?

(F kt t k j l h i t d l lit ?)


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(Faktor yang menentukan jumlah rintangan dalam litar?)

I The length of the wire(panjang dawai)

II The thickness of the wire(ketebalan dawai)III The substance the wire is made of(bahan /jenis dawai)

IV The components in the circuit(komponen di dalam litar)

A I and II only C I, II and IV only

B III and IV only D I, II, III and I

RESISTANCE Resistance depend on


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RESISTANCELength,Diameter,Type.

copper

Iron

57 Which of the following factors determines the amount of resistance in a circuit?



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I The length of the wire(panjang dawai)

II The thickness of the wire(ketebalan dawai)III The substance the wire is made of(bahan /jenis dawai)

IV The components in the circuit(komponen di dalam litar)

A I and II only C I, II and IV only

B III and IV only D I, II, III and I


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58What unit is used to measure electrical resistance?A Amperes C Joules

B Ohms D Volts

ELECTRICAL CURRENT


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Definition: electron that move (flow) inconductor in one direction.

Measuring using Ammeter. Ammeter must

connected in series in a circuit.Thepositive terminal of ammeter mustconnected to the positive terminal of theelectrical supply.

Unit : Amperes Symbol : A or I

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Content Lesson 74


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RESISTANCE

Definition : The properties of a substancethat appose the flow of electrical charges.

Resistance high will reduce electrical

current. Resistance depend on length of the

conductor, diameter of the conductor andtype of the conductor.

Symbol :

Unit : Ohm

Page 114

VOLTAGE


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Definition : theelectrical energy necessary forelectron to flow from onepoint to anotherpoint in aconductor.

Voltage is the force that pushelectrons throughacircuit to produceelectrical current.

Measured usingVoltmeter.Must connected inparallel in circuit where thepositive terminal involtmeterconnected withpositive terminal inelectrical source.

Symbol : V Unit : volt

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Content Lesson 75


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59


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The figure above shows the magnetic field lines for two bar magnets.

What can you conclude about point X?

(Rajah menunjukkan garisan medan magnet untuk 2 batang magnet.

Apa yang dapat anda simpulkan mengenai titik X?)

A It is free from any magnetic effects

(Bebas dari kesan magnet)

B It has the strongest magnetic field

(Mempunyai medan magnet yang kuat)

C The magnetic field lines intersect at this point

(Garisan medan magnet bersilang di titik ini)

D The magnetic field lines are concentrated at this point

(Garisan medan magnet banyak di titik ini)

59


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59


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60 Which of the following statements is nottrue about static electrical charges?

(Kenyataan yang tidak betul mengenai cas elektrostatik?)


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(Kenyataan yangtidak betul mengenai cas elektrostatik?)

A They are found on electrical insulators(Terdapat pada penebat elektrik)

B Like charges repel

(Cas yang sama menolak)

C Unlike charges attract

(Cas yang tidak sama menolak)

D An electroscope produces static electrical charges(Elektroskop menghasilkan cas elektrostatik)

60 Which of the following statements is nottrue about static electrical charges?

(Kenyataan yang tidak betul mengenai cas elektrostatik?)


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(Kenyataan yangtidak betul mengenai cas elektrostatik?)

A They are found on electrical insulators(Terdapat pada penebat elektrik)

B Like charges repel

(Cas yang sama menolak)

C Unlike charges attract

(Cas yang tidak sama menolak)

D An electroscope produces static electrical charges(Elektroskop menghasilkan cas elektrostatik)


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gerak gempur answer by mashuri smkdm

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