The results are simple for the following two cases: (i) when the point is on
the dipole axis, and (ii) when it is in the equatorial plane of the dipole,
i e ,  on a plane perpendicular to the dipole axis through its centre The
electric field at any general point P is obtained by adding the electric
fields E–q due to the charge –q and E+q due to the charge q, by the
parallelogram law of vectors