Use eq. 2. 29 to calculate the potential inside a uniformly charged solid sphere of radius r and total charge q. Compare your answer to prob. 2. 21.
a) Verify that potential is inversely proportional to radius
b) Verify that potential is directly proportional to charge
c) Verify that potential is proportional to the square of the radius
d) Verify that potential is inversely proportional to the square of the radius