本题目来源于试卷: Capacitors，类别为 美国物理杯赛(Physics Bowl)
[单选题]
08.42: A parallel-plate capacitor is connected to a baaao s(v-pmsv07tm /6sttery. Without diohl;pmo fwm +,g :l+ws w5v)+ 5ys2vsfsconnecting the capacitor, a student pulls the capacitor’s plates apart so that the plate separation doubles. As a result of this fwmsl+) w5fvs:o5;l,hpw oyg2msv++ action, what happens to the voltage across the capacitor and the energy stored by the capacitor?
A. the voltage doubles; the energy stays the same
B. the voltage halves; the energy doubles
C. the voltage doubles; the energy halves
D. the voltage stays the same; the energy halves
E. the voltage stays the same; the energy doubles
参考答案: D
本题详细解析:
暂无
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