Question

A solid sphere of radius (a = 3.00 cm) is concentric with a spherical conducting shell of inner radius (b = 2.00 cm) and outer radius (c = 2.40 cm) . The space between the sphere and the inner surface of the shell is empty.

The sphere, made of a dielectric, has a net uniform charge of (q1 = +5 micro Coulombs).

The shell has a net charge (q2 = - q1) .

1) What is the magnitude of the electric field at distances a) r = a/2.00 b) r = 1.50a c) r = 2.30a d) r = 4.00a

2) What is the net charge on the e) the inner and f) the outer surfaces of the shell?

(explain your reasoning)

Answer 1