12J of work has to be done against an existing electric field to take a charge of 0.01C from A to B. How much is the potential difference VB−VA?
The potential difference is represented as: VB−VA
The amount of charge =0.01 C
Work done on the charge to move is =12J
Now,the work done is defined as:
W=V×q
⇒ Pot. Diff=120.01=1200Volt.