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]
Sphere A carries a net positiv h pnvlve+ 53s0d2n:, id2.m 4m5o ajxduqo*ake charge, and sphere B is n;a i55bbhd +ufeutral. They are placed near each other on an insulated table. Sphere B is briefly touched with a wia5if5;hbdb +u re that is grounded. Which statement is correct?
A. Sphere B remains neutral.
B. Sphere B is now positively charged.
C. Sphere B is now negatively charged,
D. The charge on sphere B cannot be determined without additional information.
参考答案: C
本题详细解析:
暂无
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