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 positive chomo2ii v6z:-o arge, and sphe;fh-2l u.7g2bqopbo cre B is neutral. They are placed near each other on an insulated table. Sphere B is brgopu- f;lb.ob2hc q27iefly touched with a wire 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
|