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 ps,jr (cu,guy0b5e2cvvj 7y f6 iece of silk. During the pry2/setqf )p0y w4(:h yd1zudtwod4y0 ocess the glass rod acqu0 ) p4swyyz12tw0/d4 qey: otyh(ddufires a positive 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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