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

Question # 1

The quantities, whose values remain constant or vary continuously are called.

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Analogue quantities

Digital quantities

Maximum quantities

Minimum quantities.

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Question # 2

electric intensity is a quantity:

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scalar

vector

base

none of these

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Question # 3

In variable capacitor, dielectric medium is:

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Paper

Air

Mica

Ceramic

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Question # 4

What will be the capacitance of capacitor by joining them in parallel:

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Increased

Much less

Decrease

No change

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Question # 5

Digital technology is used in:

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Bulb

Radar

Electric motor

All of these

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Question # 6

If the field is stronger than lines of force are to each other:

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Far away

Separated

Closer

No effect

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Question # 7

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 # 8

SI unit of capacitance is:

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Joule

Volt

Watt

Farad

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Question # 9

The two inputs of a NAND gate are A and B. Its output would be zero when:

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A = 0, B = 0

A = 1, B= 0

A = 1 , B = 1

A = 0 , B = 1

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Question # 10

The closed switch in Boolean expression is represented by:

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Question # 11

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

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Cathode rays

X-rays

Alpha rays

Gamma rays

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Question # 12

If A input is 1 and B is zero, then in AND operation output will be:

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0.1

None of these

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Question # 13

Power of hair dryer is:

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1000 W

750 W

10 W

75 W

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