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Electric Dipole - Questions and Answers

Practice questions on Electric Dipole.

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6. A system of two equal and opposite charges (+q and -q) separated by a small distance ‘d’, has a dipole moment ‘p’ equal to
A. q/d
B. 2qd
C. qd
D. 2q/d
Explanation:
7. The direction of dipole moment is
A. from +q and -q
B. from –q and +q
C. perpendicular to the line joining –q to +q
D. away from +q
Explanation:
8. Potential at any point due to an electric dipole is
A. q cos θ/4πεor2
B. q sin θ/4πεor3
C. p sin θ/4πεor3
D. p cos θ/4πεor2
Explanation:
9. A dipole kept in a uniform electric field will
A. rotate in the field
B. lose its charge
C. remain in the same position
D. align along the field
Explanation:
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