本题目来源于试卷: Physics Unit16: Electric Charge and Electric Field，类别为 国际高中通用物理
[单选题]
Sphere A carries a net charge and sphere B is n jrl.c+y( (+ qtsk;6y:imwnfyeutral. They are placesq+hzl7 ka-vic/e+n 9 d near each other on an insulated table. Which statement best describes the elev il+9zcna/h +q- k7esctrostatic force between them?
A. There is no force between them since one is neutral.
B. There is a force of repulsion between them.
C. There is a force of attraction between them.
D. The force is attractive if A is charged positively and repulsive if A is charged negatively.
参考答案: C
本题详细解析:
暂无
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