[问答题]
A point charge Q rests at the center of an uncharged thi
7e:+gexu m ix j*k2je 0t9ssk ocw6m/2n s
wo 4)v3,orvwqfo)i: llnsz/)pherical conducting shell. (See Fig. 16–33.) What is the electric field E as a function of r (a) for r less than the inner radius of the shell, (b) inside the shell,
on qr4) o:vf s/i)llzw3w),voand (c) beyond the shell? (d) Does the shell affect the field due to Q alone? Does the charge Q affect the shell?