Question # 1

The S.I unit of electric potential is:

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Watt

Joule

Coulomb

Volt

The frequency of silent whistle is:

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20,000 Hz – 25000Hz

2000 Hz – 2500Hz

200 KHz – 2000 Hz

25000 KHz

Big unit of capacitance is:

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Farad

Volt

watt

coulomb

Sound waves having frequency lower than 20 Hz are called:

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Ultrasonic

Infrasonic

Audible

Echo

A positive electric charge:

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Attracts other positive charge

Repels other positive charge

Attracts a neutral charge

Repels a neutral chage

Who developed the 1st practical electric battery:

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Alessandro volta

Faraday

Newton

None of these

One coulomb is equal to charge of ________ electrons.

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6.25 x 10^-19

6.25 x 10¹⁹

6.25 x 10¹⁸

6.25 x 10^-18

X=A.B. This equation is used for which operation:

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AND

OR

NOT

NAND

The unit of intensity of sound:

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Wm^-1

Wm^-2

Wm

Wm²

At room temperature, electrons cannot escape the metal surface due to ………….. of atomic nucleus:

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Repulsive forces

Attractive forces

Gravitational forces

Electromagnetic forces

The basic operations performed by a computer are:

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Arithmetic operations

Non-arithmetic operations

Logical operations

Both a and c

Which device is used to store charge:

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Resister

Capacitor

Dielectric

Fuse

The intensity level of train siren is:

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150 dB

100 dB

130 dB

120 dB

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10th Class Physics Chapter 13 Electrostatics English Medium KPK Boards Online Mcqs MCQs With Answers

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