Question # 1

The electric intensity due to two oppositely charged plates is

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None of these

A charge Q is divided into tweo parts q and Q-q and seperated by a distance R. The force of equilibrium between them will be maximum when:

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q=Q/4

q=Q/2

q=Q

None of these

Special organs called ampullae of lorenzenite are present in.

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Bats

Cats

Dogs

Sharks

A one microfarad capacitor of a TV is subjected to 4000 V potencial difference.The energy stored in capacitor is:

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8 j

16 j

4 x 10^-3j

2 x 10^-3j

If the medium between the charges is not free space then electrostatic force will.be

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Increase

Decrease

Remain same

None of these

The relative permitivity of air is

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79.5

1.006

1.06

1.0006

The amount of energy equal to 1.6 x 10^-18 J is called.

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One volt

One milli volt

One electron volt

One mega electron volt

Concept of electric field lines was given by:

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Michelson

Henry

Michael faraday

Oersted

A charge on 4 coulomb is in the field of intensity 4N/C the force on the charge is.

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Uniform

Non uniform

Weak

Strong

Electron volt is the unit of.

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Potential

Potential difference

Electric current

Electric energy

When some di electric is inserted between the plates of a capacitor, then capacitance.

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Decreases

Increases

Becomes zero

Becomes infinity

The total flux through a closed surface.

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Directly proportional to shape and geometry

Independent of medium

Depend on shape and geometry

Dependent on medium and the charge enclosed

Closeness of the electric field lines is the measure of.

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Direction of field

Strength of field

Potential difference

Uniformity of field

A capacitor stores energy in the form of.

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Magnetic field

Heat energy

Electrical energy

Mechanical energy

Photo copier and inkjet printer are the applications of

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Magnetism

Electricity

`.Electro magnetism

Electrostatics

Which one is photo conductor.

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Copper

Selenium

Mercury

Aluminium

The electric intensity at infinite distance from the point charge is

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Infinite

Zero

Positive

Negative

Two opposite point charge of same magnitude separated by distance 2d, electric potential mid way between them is.

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1 V

2 V

Zero

V/2

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Physics FSC Part 2 Chapter 12 Online MCQ's Test MCQs With Answers

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