Derive the expression for the electric potential at any point along the axial line of an electric dipole.

(a) Draw the equipotential surfaces corresponding to a uniform electric field in the z-direction. (b) Derive an expression for the electric potential at any point along the axial line of an electric dipole

The electric potential at a point on the equatorial line of a electric dipole is

(a) Derive and expression for the electric field at any point on the equatorial line of an electric dipole. (b) Two identical point charges, q each kept 2m apart in air. A third point charge Q of unknown magnitude and sign is placed on the line joining the charges such that the system remains in equilibrium. Find the position and nature of Q.

Define electrostatic potential energy. Obtain an expression for electrostatic potential at a point on the equatorial line of an electric dipole.

What is the electric potential at a point on the equatorial plane of a short electric dipole?