Two small diameter 10gm dielectric balls can slide freely on a vertical channel. Each
carry a negative charge of 1μC. Find the separation between the balls if the lower ball is
restrained from moving.
a) 0.5
b) 0.4
c) 0.3
d) 0.2
carry a negative charge of 1μC. Find the separation between the balls if the lower ball is
restrained from moving.
a) 0.5
b) 0.4
c) 0.3
d) 0.2