Question # 1

1 volt is equal to:

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JC

JC^-1

JC^-2

JC^-3

SI unit of electric potential is:

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Watt

Volt

Coulomb

Joule

Electric field lines of force were first introduced by:

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Ampere

Farady

Fleming

Coulomb

The electrostatic force acting on two charges each of 1 C separated by 1m is about .

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9 x 10⁹ N

9 x 10^-9N

9 x 10⁸N

9 x 10^-8N

The brain of any computer system is:

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Monitor

Memory

CPU

Control unit

1 Pico Farad is equal to:

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10^-9F

10^-12F

10¹²F

10^-6F

The sound level of rustling of leave is:

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1 dB

20 dB

30 dB

10 dB

Two charged spheres are separated by 2 mm. Which of the following would produced the greatest attractive force?

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+1 q and +4q

-1 q and -4q

+2 q and +2q

+2 q and -2q

1 nano farad is equal to:

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1 x 10^-12 F

1 x 10⁹F

1 x 10^-9F

1 x 10^-6F

1 bel=

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0.1 dB

10 dB

100 dB

0.01 dB

Sound waves having frequency lower than 20 Hz are called:

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Ultrasonic

Infrasonic

Audible

Echo

The SI unit of electric field intensity is:

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NC-2

NC-1

Ns

Nm-1

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Physics 10th Class English Medium Unit 4 Online Test MCQs With Answers

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