Question # 1

Specific resistance of silver is:

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1.7x10^-8 Ω.m

2.63x10^-8 Ω.m

2.75x10^-8 Ω.m

7.0x10^-8 Ω.m

The symbol of atomic mass number is:

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A

X

N

Z

The waves in which particles of the medium vibrate perpendicular to the direction of waves are:

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Electromagnetic waves

Sound waves

Both a and b

Transverse waves

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

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0

0.1

1

None of these

The digits used in electronics are:

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1

0

0 and 1

1 and 2

The unit of potential difference is:

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Volt

Coulomb

Ampere

Joule

1.6x10^-19 J= :

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1F

1N

1eV

A digital multimeter is used to measure:

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Current

Resistance

Potential difference

All of above

A transformer has 100 turns in its primary and 500 turns in secondary coil. If 6 volts D.C is applied across its primary, the voltage induced across its secondary coil will be:

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0 volt

30 volts

45 volts

60 volts

In simple harmonic motion, the acceleration of the body is…………. Proportional to the displacement.

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Inversely

Directly

Equally

Ration

SI unit of electric intensity is:

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NC

NC^-1

NC^-2

NC^-3

The sound waves are the example of:

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Longitudinal waves

Transverse waves

Electromagnetic waves

x-rays

The unit of spring constnat is:

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m

kg

Nm²

Nm^-1

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10th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers

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