Question # 1

Earth wire is connected to the:

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Power house

Transformer

Ground

Generator

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

A and B are the two inputs of a NOR gate. Its output would be 1 when:

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A = 1, B = 1

A = 0 , B = 1

A = 1, B = 0

A = 0 , B = 0

The amount of current that causes the loss of muscle control is:

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0.1A

0.015A

2A

1A

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

Digital technology is used in:

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Bulb

Radar

Electric motor

All of these

Power of hair dryer is:

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1000 W

750 W

10 W

75 W

Electroscope is used for detecting:

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Current

Charge

Voltage

Resistance

Two switches attached in series work on which operation?

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AND operation

OR operation

NOT operation

NOR operation

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

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