Question

18. Two charged particles A and B have charges q, = 4 uC and q2 = 5 uC respectively. B
is brought from infinity to a distance of 20 cm from A. What is the increase in potential
energy of the system during this process ?
(1) 5 J
(2) 2.7 J
(3) 1.8 J
(4) 0.9 J​

Answer 1

Answer:

The answer was the (4) 0.9b J