Question # 1

The converter of analogue to digital signal is:

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ADC

DAC

ATDC

None of these

Power of hair dryer is:

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1000 W

750 W

10 W

75 W

Electronics is a branch of:

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Mass

Applied Physics

Mechanics

Nuclear Physics

If the distance between two point charges is reduced to half, the coulomb’s force become:

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Half

Two times

One fourth

Fourth times

One coulomb is equal to charge of electrons:

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6.25x10^-19

6.25x10¹⁹

6.25x10¹⁸

6.25x10^-18

The output of a NAND gate is 0 when

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Both of its inputs are 0

Both of its inputs are 1

any of its inputs is 0

any of its inputs is 1

Public address system is the example of :

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Analogue electronics

Digital electonics

Binary system

None of these

In electrostatic all charges are in:

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The same direction

Opposite direction

Motion

Static state

1 volt is equal to:

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JC

JC^-1

JC^-2

JC^-3

The particles emitted from a hot cathode surface are:

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Positive ions

Negative ions

Proton

Electron

Electric field lines were introduced by:

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Faraday

Newton

Coulomb

Joule

SI unit of electric potential is:

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watt

volt

coulomb

joule

Give the number of factors which affect the ability of a capacitor to store charge.

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2

3

4

5

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Physics 10th Class English Medium Unit 7 Online Test MCQs With Answers

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