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;0v utq b/qux( to a battery a/4:iede5 nv x*id8di3wua(rgnd becomes fully charged. The capacitor is then disconnected, and the separation between the plates is increased in such a way that no5 /d8re4:* ui vd3idi(ewa gxn charge leaks off. The energy stored in this capacitor has
A. increased.
B. decreased.
C. not changed.
D. become zero.
参考答案: A
本题详细解析:
暂无
|