本题目来源于试卷: Physics Unit16: Electric Charge and Electric Field，类别为 通用国际物理
[单选题]
A positive object touches a neutral el*s i:7x5oed xoeni1v)03yz fwq ctroscope, and the leaves separate. Then a negative object is brought near the electroscope, but does not touch it. What happens to the le y1) fzw03qvinaves?
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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