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]
96.21: Two isolated px m/0bp a5d+nconducting sp *uc2-b8n ltcf o8 v9 aym0ohc47boi5uheres (S1 of radius 0.030 m and initial charge + 6.0 nC and S2 of radius 0.040 m and initial ch8ct5oa f *olhm9 c2bu4-b0ouciyn 78varge + 2.0 nC) are connected by a conducting wire. Charge will flow in the wire until:
A. both spheres are equally charged.
B. the net charge is zero.
C. the force of repulsion between the two spheres becomes equal.
D. both spheres have the same surface charge density.
E. both spheres are at the same potential.
参考答案: E
本题详细解析:
暂无
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