Question # 1

Positive charge in an electric field always tend to move:

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Does not move

From lower to higher potential

From higher to lower potential

All of these

The symbol of AND operation is:

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+

-

.

*

The output of OR gate would be '0' When:

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Both of its inputs are zero

One of its two inputs is zero

Both of its inputs ar 1

Any one of its inputs is 1

Electronics is the study of principles by means of which we control the:

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Flow of electrons.

Nuclear fission

Fusion reaction

Radiations

The device which converts digital quantities into analog quantities is called:

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ADC

DAC

ACD

CAD

Static electricity can be generated by:

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Lubrication

Friction

Motion

Smaller the objects

Value of ‘k’ depends upon:

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System of unit

Nature of medium

Both a and b

None of these

Those quantities whose values change gradually or stay constant are called:

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Physical quantities

Digital quantities

Log quantities

Analog quantities

Positive charge can be produced by:

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Combing in hair

Rubbing glass rod on silk

By rubbing ebonite rod on wool

By rubbing glass rod wool

The base of computer operation are:

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1,2

0, 1

0, 2

1, 10

Boolean expression for AND operation is:

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X = A̅

X = A + B

X = A . B

X = A̅B̅

The product of charge ‘q’ and potential difference is equal to:

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Power

Force

Capacitance

Energy

The particles emitted from a hot cathode surface are:

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Positive ions

Negative ions

Protons

Electrons

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

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