Question

A point charge of 10^-9 C is placed at a
point A in a free space. The intensity of
electrostatic field on the surface of a
sphere of radius 50 mm and centre A is
given by
(a) 2000 V/m (b) 3000 V/m
(c) 3151 V/m (d) 3595 V/m​

Answer 1

C is correct answer