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]
A positive object touzb erb2i15u2,f 6 a9+f rgxuqaches a neutral electroscope, and the leaves separate. Thgu9ktcax,b3ee* ik* 2en a negative object is brought near the electroscope, but does not touch it. xaic* u2tkeb*kge,93What happens to the leaves?
A. They separate further.
B. They move closer together.
C. They are unaffected.
D. cannot be determined without further information
参考答案: B
本题详细解析:
暂无
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