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]
An originally neutral electroscope is briefly touch;jqx1 ym-ine 1r/n3tted with a p wzd*01/uuevik 9 :/bavfr fo5ositively charged de0kof5zfau:ruw9v / ib*/1vglass rod. The electroscope
A. remains neutral.
B. becomes negatively charged.
C. becomes positively charged.
D. could become either positively or negatively charged, depending on the time of contact.
参考答案: C
本题详细解析:
暂无
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