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

Question # 1

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

Choose an answer

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

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Question # 2

Two switches attached in series work on which operation?

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AND operation

OR operation

NOT operation

NOR operation

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Question # 3

In 1950, physicists observed that in cathode ray tube a special type of rays produced from cathode, these rays were called:

Choose an answer

Cathode rays

X-rays

Alpha rays

Gamma rays

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Question # 4

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

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ADC

DAC

ACD

CAD

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Question # 5

If the potential energy of none coulomb charge is one joule then its potential will be:

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5 volt

2 volt

3 volt

1 volt

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Question # 6

Which instrument is used to measure current, resistance and potential difference:

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Galvanometer

Digital meter

Voltmeter

Ammeter

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Question # 7

If Current flowing through switch then the output is expressed as:

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-1

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Question # 8

Value of ‘k’ depends upon:

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System of unit

Nature of medium

Both a and b

None of these

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Question # 9

SI unit of electric potential is:

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watt

volt

coulomb

joule

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Question # 10

The amount of current that can be felt is:

Choose an answer

0.1A

0.001 A

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