Q. If a unit positive charge is taken from one point to another over an equipotential surface, then
A) Work is done on the charge
B) Work is done by the charge
C) Work done is constant
D) No work is done
Explanation
(d) On the equipotential surface, electric field is normal to the charged surface (where potential exists) so that no work will be done
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.