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 nmo.2,jmojv2)c8ssacaqa t qb9dme :j+a i +,*et charge and sphere B is neutrala ttw+( b2l4vns s926483omyhqmw3y8u btv yl. They are placed near each oth 8l 32+nwl4a6to8bwybvy3qsvs uth(2mm t4y9er on an insulated table. Which statement best describes the electrostatic 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
| 
