Question

How much work will be done in bringing a charge of 2*10^-3columbs from infinity to point p at which the potential is 5volt

Answer 1

Given,
Q=2×10^-3 C
V= 5V
V=W/Q
W= V × Q
=5 × 2×10^-3
= 10 × 10^-3
=10^-2 J
=0.01J