On moving a charge of Q coulomb by X cm, W J of work is done, then the potential difference between the points is
A. W/Q *V
B. QW V
C. Q/W V
D. Q2 /W V
Answer:A
On moving a charge of Q coulomb by X cm, W J of work is done, then the potential difference between the points is
A. W/Q *V B. QW V C. Q/W V D. Q2 /W V