Two isolated, concentric, conducting spherical shells have
radii R1 0.500 m and R2 1.00 m, uniform charges q1 2.00 mC
and q2 1.00 mC, and negligible thicknesses. What is the magni-
tude of the electric field E at radial distance (a) r 4.00 m, (b) r
0.700 m, and (c) r 0.200 m? With V 0 at infinity, what is V at
(d) r 4.00 m, (e) r 1.00 m, (f) r 0.700 m, (g) r 0.500 m,
(h) r 0.200 m, and (i) r 0? ( j) Sketch E(r) and V(r).