Question # 1

For computation of electric flux, the surface area should be.

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Parallel

Flat

Curved

Spherical

A capacitor stores energy in the form of.

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Magnetic field

Heat energy

Electrical energy

Mechanical energy

The electric field created by positive charge is:

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Radially outward

Circular

Radially inward

Zero

Farad is defined as

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"Coulomb/Volt

Ampere /Volt

Coulomb /Joule

Volt/Coulomb

Coulomb /volt is called.

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Farad

Ampere

Joule

Henry

One of the applications of electrostatic induction is

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Laser

Photocopier

X ray machine

Wilson cloud chamber

The leV =

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1.6x10-19C

1.6x10-11J

1.6x10-19J

1.6x10-11C

A force of 0.01 N is exerted on a charge 1.2 x 10^-5 C at a certain point. The electric field at that point is

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1.2 x 10⁴ N/C

1.2 x 10⁴ C/N

8.3 x 10² N/C

8.3 x 10^-2 N/C

Concept of electric field lines was given by:

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Michelson

Henry

Michael faraday

Oersted

The force of Neutron due to field of 10² N/C is.

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1.6 x 10^-17N

1.6 x 10^-19N

Zero

1.6 x 10^-21N

The relative permitivity of air is

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79.5

1.006

1.06

1.0006

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

If the potential difference across two plates of capacitor is doubled, then energy stored in it will be.

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Two times

Eight times

Four times

Remain same

Two metallic sphere of radius 2 cm and 4 cm get equal quantity of charge. Which has greater surface charge density ?

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2^nd sphere

Both have same

First sphere

None of these

S.I unit of strength of electric field is

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J/C

C/V

V/C

N/C

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

Flux through any closed surface is:

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1/ε²_∘ times the total charge enclosed in it

ε²_∘ time the total charge enclosed in it

1/ε_∘ ties the total charge enclosed in ti

ε_∘ time the total charge enclosed in it

One joule is equal to.

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1.6 x 10¹⁹ eV

1.6 x 10^-19 eV

6.25 x 10^-18 eV

6.25 x 10 ¹⁸ eV

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Physics Fsc Part 2 Chapter 1 Online Test MCQs With Answers

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