question_answer

Two point charges Q and \[-Q/4\] are separated by a distance x. Then

A)  Potential is zero at a point on the axis which is \[x/3\]on the right side of the charge \[-\text{ }Q/4\]

B)  Potential is zero at a point on the axis which is \[x/3\] on the left side of the charge - Q/4

C)  There exist two points on the axis where electric field is zero

D)  None of these.