Two charge \( +q \) and \( -q \) are situated at a certain distance. At the point exactly midway...

Two charge \( +q \) and \( -q \) are situated at a certain distance. At the point exactly midway between them
(a) Electric field and potential both are zero
(b) Electric field is zero but potential is not zero
(c) Electric field is not zero but potential is zero
(d) Neither electric field nor potential is zero