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 tou2ri bp: iiel8z5;5g ooches a neutral electroscope, and thk ;9ez7uj5y cz 0x06xikkgw f0e leaves separate. Then a negative object is brought near thx u 00fjzk65;kwce7igxzk0 y9e electroscope, but does not touch it. What 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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