Gauss Law and Metal in Eclectic Equilibrium (id: 29fa6a2b0)

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 spherical conducting shellvrk1 r)6*,kfslv4tr .qg thq9 has inner radius a and outec2n;q7(u pl 8e-qyho 5x3zg etxw(.jer radius 2a. At the center of the shell is located a point charge +Q. What must the excess charge of t8eec y7 ew(x x pl juqgtq;5h.z3-2o(nhe 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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