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]
An originally neutral electroscope is brie :xsr )*x tv5j0c8tyqufly touched with h-i+b1be i0fboylg4f(a+: gu a positively charged glass rod. The:u l+b(yfoh e b4+fg01i gbai- 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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