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A short electric dipole is placed at a d...

A short electric dipole is placed at a distance x from centre O on the axis of a ring of radius R and charge Q is uniformly distributed over tis.

The net force acting on the dipole will be

A

`KQP (R^(2) - 2x^(2))/((R^(2) + x^(2))^(5//2))`

B

`KQP ((R^(2) - 2x^(2)))/((R^(2) + x^(2))^(5//2))`

C

`(KQPX)/((R^(2)+x^(2))^(3//2))`

D

Zero

Text Solution

Verified by Experts

The correct Answer is:
A
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