本题目来源于试卷: Physics Unit17: Electric Potential，类别为 通用国际物理
[单选题]
The plates of a parallel-plate capacitor vn -,0udn- xibp)s7z rtb v,yaw:2tx. 2ajs.care maintained with constant voltage by a ,swt bxcy2 a tva:2.j.battery as they are pulled apart. During this process, the amount of charge on the plates must
A. increase.
B. decrease.
C. remain constant.
D. either increase or decrease. There is no way to tell from the information given.
参考答案: B
本题详细解析:
暂无
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