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 qa6g 8n:5gckyconductinx6v,uqoa 59 jkb :v3jug spheres (S1 of radius 0.030 m and initial charge + 6.0 nC and S2 of radius 0.040 m and initial charge + 2.0 nC) are con 3vo5bu :jj,9q xa6vuknected 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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