1000+ Electrostatics MCQ Questions and Answers Pdf - 1

Question: 1

The relative permittivity of most materials lies between

(A) 1 and 10

(B) 10 and 20

(C) 20 and 100

(D) 100 and 200

Ans: A

1 and 10

Question: 2

In the direction of electric field intensity, the electric potential

(A) decreases upto some distance and then increases

(B) remains unchanged

(C) increases

(D) decreases

Ans: D


Question: 3

An electric dipole is placed in a non uniform electric field. It experiences

(A) a torque but no force

(B) a force but no torque

(C) a force and a torque

(D) neither a force nor a torque

Ans: C

a force and a torque

Question: 4

The electric flux density is a

(A) scalar quantity

(B) vector quantity

(C) phasor

(D) none of the above

Ans: B

vector quantity

Question: 5

If a charge is moved against the coulomb force of an electric field, then

(A) energy is used by some outside source

(B) work is done by the electric field

(C) the energy of the system is decreased

(D) the strength of electric field is decreased

Ans: A

energy is used by some outside source

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