Question

A amount OF 250 JOULES OF WORK IS DONE IN TRANSFERRING TO 20 COLUMNS OF CHARGE FROM ONE TERMINAL OF A BATTERY TO ANOTHER?

Answer 1

This is the answer , if IT IS asked to find the potential difference

Answer 2

Given, W = 250 J

  ⁣   ⁣ Q = 20 V

We know, V = W / Q

  ⁣   ⁣    ⁣V = 250 / 20

  ⁣   ⁣   ⁣   = 12.5 V ...✔