Obtain an expression for the electric field intenstiy at a point on the equatorial line of an electric dipole.

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

(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.

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

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

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