Assertion: No work is done in moving a charge along equatorial line.
Reason: The electric potential is everywhere zero on the equatorial line of a dipole.
Options:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false and R is also false.