State main characteristics of an equipotential surface.

Explanation

The main characteristics of an equipotential surface are as given below :
(i) An equipotential surface is a surface with a constant value of electric potential at all points.
(ii) No work is required to be done to move a charge on an equipotential surface.
(iii) For any charge configuration, equipotential surface through a point is normal to the electric field at that point.
(iv) No two equipotential surfaces can ever intersect each other.
(v) Relative closeness of equipotential surfaces having a given potential difference means a region of stronger electric field.