Two points P and Q are maintained at the potentials of 10V and -4V, respectively. The work done in moving 100 electrons from P to Q is:

Two points P and Q are maintained at the potentials of 10 V and - 4V, respectively. The work done in moving 100 electrons from P to Q is

Two points A and B are maintained at a potential of 7 V and -4 V respectively. The work done in moving 50 electrons from A to B is

Potenlials of points P and Q are 10V and -4 V respectively. Work done in taking 100 electrons from P to Q ........