[问答题]
A point charge Q rests at the cente
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2vwxdtd 2 3vyz*ke 4h:kk8ls 6charged thin spherical 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, and (c) beyond the shell? (d) Does the shell a
*43dw ts 82dkxk:lvhz v 2k6eyffect the field due to Q alone? Does the charge Q affect the shell?