Answer to Question #153136 in Physics for Muhammad Kashif

Question

If a test charge is placed on a spherical equipotential surface does is keep on revolving? Without work is done?

Answer 1

In order to move it on the equipotential surface, additional energy has to be supplied to get kinetic energy for the charge. If there are no other forces acting on the charge other than electric force, no work will be done.

Answer:

Due to its position on equipotential surface the charge has attained potential energy to keep revolving.