A uniformly charged ball of radius a and charge? Q is at the center of a hollow metal shell with inner radius b and outer radius c. The hollow sphere has net charge + 2Q.
Part A
Determine the electric field strength in the region r? a. Give your answer as a multiple of Q/?0.
Express your answer in terms of some or all of the variables a, b, c, r, and the constant?.
Park B
Determine the electric field strength in the region a
Express your answer in terms of some or all of the variables a, b, c, r, and the constant?.
Part C
Determine the electric field strength in the region b
Part D
Determine the electric field strength in the region c
Express your answer in terms of some or all of the variables a, b, c, r, and the constant?.