Question # 1

The electrons in one coulomb change is equal to.

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1.6 x 10^-19

2.25 x 10^-19

6.25 x 10^-18

6.25 x 10^-19

The electric intensity due to two oppositely charged plates is

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None of these

The electric potential at a mid point in an electric dipole is.

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0 V

0.5 V

1 V

1.5 V

If a charged body is moved against the electric field it will gain.

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P.E.

K.E.

Mechanical energy

Electrical potential energy

The work done is bringing a unit positive charge from infinity to that point in an electric field is called.

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Potential

Potential difference

Absolute potential

All of these

Identify the practical application of electrostatic force.

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Inkjet printer

x rays

Laser

A.C. Generator

Coulomb's force is:

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Conservative force

None conservative force

Similar to frictional force

None of the above

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

Concept of electric field lines was given by:

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Michelson

Henry

Michael faraday

Oersted

The electric field in some region of of space is uniform in magnitude and direction. Which one of the following five statements best desccribes the volume charge density (ρ) , in this region of space?

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ρ = 0

ρ decreases linearly in the direction of the electric field

ρ increases linearly in the direction of the electric field

ρ has a uniform value throughout the region

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

S.I unit of strength of electric field is

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J/C

C/V

V/C

N/C

The number of lines per unit area passing perpendicular through an area is called

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Flux

Electric intensity

Both (a) , (b)

None of these

The electric flux through closed surface depends upon

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Charge

Medium

Geometry

Charge and Medium

The product of resistance and capacitanc eis.

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Velocity

Force

Acceleration

Time

The net charge on a capacitor magnitude of charge of charge

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Infinity

2 q

Q/2

Zero

A capacitor is perfect in insulator for.

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Alternating current

Sparking current

Eddy current

Direct current

Photo copier and inkjet printer are the applications of

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Magnetism

Electricity

`.Electro magnetism

Electrostatics

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

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