Question # 1

A wire stretched to double of its length, its strain is:

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2

1

0

0.5

The fact that electric field exist in space around an electrical charge is

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Electrical property

Gravitational property

Intrinsic property of nature

Extrinsic property of nature

In D.C. generator, split rings act as.

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Capacitor

Commutator

Resistor

Inductor

Electron vibrating 94,000 times each second will produce radio waves of frequency.

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94 Hz

940 HZ

94 Hz

490 Hz

A photo diode can turn its current ON and OFF in

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Micro seconds

Mega seconds

Nano seconds

Mili seconds

The types of quacks are.

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2

3

4

6

A device used for detection of current is called.

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Inductor

Voltmeter

Capacitor

Galvanometer

The Weber is unit of measure of:

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Conductance

Electric current

Magnitic flux

Electric flux

The movement of conductor in magnetic field produces electrical current was discovered in:

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1931

1731

1842

1831

Charge on an atom is:

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Positive

Negative

Neutral

None of these

The uncertainty principle was given by

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De-Broglie

Heisenberg

Einstein

Max Planck

The energy equivalent of 1 kg of matter is about:

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10^-15 J

1 J

10^-12J

10^-17J

Reverse current flows due to

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Majority charge carriers

Minority charge carriers

Electrons

Holes

The circuit in which current and voltage are in phase, the power factor is:

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Zero

1

-1

2

e/m=

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v/Br

Br/V

VB/r

Vr/B

Those materials whose resistivity becomes zero at certain temperature is called:

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Semiconductor

Super conductor

Conductor

Insulator

A current generator device converts:

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Mechanical energy into chemical energy

Chemical energy into electrical energy

Mechanical energy into electrical energy

Both b and c

Radioactivity happen due to the disintegration of

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Nucleus

Mass

Electrons

Protons

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Physics FSC Part 2 Online MCQ's Test MCQs With Answers

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