Electric Dipole - Questions & Answers | Exam2Win

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1. The torque on a dipole kept in a uniform electric field is

A. 2p E sin θ

B. 2q E sin θ

C. p cos θ /4πεor2

D. p E sin θ /4πεor3

Explanation:

2. potential on the equatorial line of an electric dipole is

A. p/4πεor2

B. -p/4πεor2

C. 0

D. p/4πεor3

Explanation:

3. A dipole in a uniform field experiences

A. a force

B. acceleration

C. no force

D. a couple

Explanation:

4. The unit of dipole moment is

A. Cm

B. Cm-1

C. NC -1 m2

D. C2N-1m-2

Explanation:

5. When an electric dipole is placed in a uniform external electric field parallel to the field, it will experience

A. a torque but no force

B. a force but no torque

C. a torque as well as force

D. neither a force nor a torque

Explanation:

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