Derive an expression for the electric field E due to a dipole of length 2a at a point at a distance r from the centre of the dipole on the axial line.

Electric Field due to Dipole

The electric field due to a dipole at a distance on its axis is

Derive an expression for the electric potential at any point P at a distance r from the center of an electric dipole, making angle alpha with its axis.

The electric field of an electric dipole at a point on its axis , at a distance d from the center of the dipole, varies as

A short electric dipole has dipole moment of 4xx10^(-9)Cm . Determine the electric potential due to the dipole at a point distant 0.3 m from the centre of the dipole situated on (a) the axial line (b) on equatorial line and (c) on a line making an angle of 60^(@) wth the dipole axis.

Electric field due to an electric dipole is