A short electric dipole has a dipole moment of 16 × 10–9 C m. The electric potential due to the dipole at a point at a distance of 0.6 m from the centre of the dipole, situated on a line making an angle of 60° with the dipole axis is :
(1) zero
(2) 50 v
(3) 200 v
(4) 400 v
