Electrostatics Mcqs

Our collections of Multiple choice questions and answers focuses on study of Electrostatics in Physics. These questions are chosen from a collection of most authoritative and best reference books on Physics. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Teaching jobs Tests and Chemical industry job interviews. One should practice our Mcqs to assimilate knowledge on Electrostatics in Physics comprehensively.

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Computer MCQS

Sciences MCQS

2.
A 5 ?F capacitor has a potential difference across its plates of 200 volts. The charge on the capacitor is

2.5 x 10-8 C

10-5 C

103 C

4 x 103 C

Answer Discus (0)

3.
A capacitor is a perfect insulator for

Direct current

Alternating current

Both for the direct and alternating current

None of above

Answer Discus (0)

4.
A charge of 0.10C accelerated through a potential difference of 1000V acquires kinetic energy

200J

100J

1000J

100 eV

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5.
A closed surface contains two equal and opposite charges. The net electric flux from the surface will be

Negative

Positive

Zero

Data is insufficient

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6.
A hollow metallic sphere of 8cm diameter is charged with 4 x 10 8C. The potential on its surface will be

900 volts

9000 volts

90 volts

Zero

Answer Discus (0)

7.
An electric charge at rest produces

Only a magnetic field

Only an electric field

Neither electric field nor magnetic field

Both electric and magnetic fields

Answer Discus (0)

9.
capacitor is to have an energy content of 20J it must be placed across a potential difference of

4 volts

9 volts

2 volts

1 vol

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10.
Electric charge of 100 ?C is 13cm apart from another charge 16.9?C electric force between them is

9x107N

900N

9x105N

9x106N

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12.
Electric flux linked with a surface will be maximum when

The surface is held parallel to the electric field

The surface is held perpendicular to the electric field

The surface makes an angle of 45?with the field

All of the above

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13.
Electric force between two point charges in air or vacuum is F. If we replace air or vacuum by an insulator (dielectric) of relative permitivity Cr the force between the charges will

Decrease

Increase

Remain constant

Depends upon composition of dielectric

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15.
Electric intensity being a vector quantity always points

Along the direction of force experienced by a unit positive charge

Opposite to the direction of force experienced by a unit positive charge

Perpendicular to the direction of force experienced by a uit positive charge

Any of above

Answer Discus (0)

Engineering MCQS

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