Can two equipotential surfaces cut each other?

Define an equipotential surface.

Can two isothermal curves intersect each other?

Draw an equipotential surface for a point charge.

Prove that a closed equipotential surface with no charge within ilself must enclose an equipotential volume.

Electric field is always ______ to the equipotential surface at every point. (Fill in the gap)

Why are electric field lines perpendicular at a point on an equipotential surface of a conductor ?

Two point charges of magnitude + q and - q are placed at (-(d)/(2),0,0) and ((d)/(2),0,0) . respectively. Find the equation of the equipotential surface where the potential is zero.

Draw an equipotential surface of two identical positive charges for small distance.

Draw an equipotential surface for an uniform electric field.

Angle between equipotential surface and electric field is ......