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 with a piece of silk. Duringk:-0sfnmau:99sbs b b tqznjrmo 49qtqn:i8q )3jkj0 6 he process the glass rod acquires a pqj8m6 3i4k)nj0zt :9 qq orqjnositive 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:
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