Question

For any charge configuration ,equipotential surface through a point is a normal to the electric field. Justify.

Answer 1

For any charge configuration, equipotential surface through a point is normal to the electric field. Justify. Answer: If the electric field were not normal to equipotential surface, it would have non-zero component along the surface. To move a charge against this component, work would have to be done.

Answer 2

Answer: If the electric field were not normal to equipotential surface, it would have non-zero component along the surface. To move a charge against this component, work would have to be done.