The electric potential on the axis of an electric dipole at a distance ‘r from it’s centre is V…………….

Class 12th Physics, Question -The electric potential on the axis of an electric dipole at a distance ‘r from it’s centre is V. Then the potential at a point at the same distance on its equatorial line will be

These are the options for the question :The electric potential on the axis of an electric dipole at a distance ‘r from it’s centre is V. Then the potential at a point at the same distance on its equatorial line will be

(i) 2V
(ii) -V
(iii) V/2
(iv) Zero

The correct answer is -(iv) zero