2.36
Consider two concentric spherical shells, of radii a and b. Suppose
the inner one carries a charge q, and the outer one a charge -q (both of them
uniformily distributed over the surface). Calculate the energy of this configuration,
(a) using Eq. 2.45, and (b) using Eq. 2.47 and the results of Ex. 2.9.
 | (2.45) |
 | (2.47) |