Question

72.
A charge of 10 esu is placed at a distance of 2 cm
from a charge of 40 esu and 4 cm from another
charge of - 20 esu. The potential energy of the
charge 10 esu is :- (in ergs)
(1) 87.5 (2) 112.5 (3) 150 (4) zero
ero​

Answer 1

Answer:

first find the coulomb force then find work by intrgration