本题目来源于试卷: Gauss Law and Metal in Eclectic Equilibrium，类别为 美国物理杯赛(Physics Bowl)
[单选题]
04.50: A solid spheric /5dbv cjlm 5.oal conducting shell has inner radius a a :tv5ajwx -eq2e znxohgm +* 2)nd outer radius 2a. At the center of the shell is located a point charge +Q. What must the excess h)e z- xo:* +qax2nm5evw2 tjgcharge of the shell be in order for the charge density on the inner and outer surfaces of the shell to be exactly equal?
A. – 5Q
B. – 4Q
C. – 3 Q
D. +3Q
E. +4Q
参考答案: A
本题详细解析:
暂无
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