本题目来源于试卷: Physics Unit17: Electric Potential，类别为 通用国际物理
[单选题]
A parallel-plate capacitor is connected to a battery and becomes fully caxqalcem367 tm( ys8 x8rg8a ;harged.rp bc; 6bqljn-;kj2;f The capacitor is then disconnected, and the separation between the plates is increased in such a way that no charge leaks off. The energy stored in this capacfrc; jbk6;pnb;l 2q j-itor has
A. increased.
B. decreased.
C. not changed.
D. become zero.
参考答案: A
本题详细解析:
暂无
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