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 glass rod is rubbed wbol*g yld:dqb/u8 z7tk;b1k0 ith auo4lj)h :g4 gjv/gi otjq34 9s-knxz8 piece of silk. During the process the glass rod acquires a posi4j4z o4gh/ kgo) j8 xgvn9qt3silju-: tive charge and 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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