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 glass rod is rubbed with a piece of silkc mgv( b2nn9nao14ge+. Duringabm7,m,d eqq-ya um8d./8a cn the process the glass rod acquires a positive charge md-a.mu,dby /q8 7q8e ,aanc mand the silk
A. acquires a positive charge also.
B. acquires a negative charge.
C. remains neutral.
D. could either be positively charged or negatively charged. It depends on how hard the rod was rubbed.
参考答案: B
本题详细解析:
暂无
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