Define an electric dipole?

What is the direction of electric field at a point on the equitorial line of an electric dipole?

What is the direction of electric field at a point on axial line of an electric dipole?

What is an electric dipole? Define electric dipole moment and give its unit.

Define electric field intensity at a point. Give its S.I. units. Derive an expression for the electric field intensity at any point on the axial line of an electric dipole.

Derive an expression for electric potential at any point due to electric dipole. Show that the potential at a point on the equatorial line of an electric dipole is zero.