Question
A POINT CHARGE q IS ROTATED ALONG A CIRCLE IN D ELECTRIC FIELD GENERATED BY ANOTHER POINT CHARGE Q D WORK DONE BY ELECTRIC FIELD ON ROTATING CHARGE IN ONE COMPLETE REVOLUTn IS ZERO
WHY???
Joshi sir comment
Because this particle is revolving in an equipotential surface generated by other and work done = potential diff * q = 0