本题目来源于试卷: Dielectric Material,类别为 美国物理杯赛(Physics Bowl)
[单选题]
15.45: A 6.00 μF pa g sv6qs/nd :p/ h8tu5zx :m+fkrallel-plate capacitor is disconnected from a 12 6 lljefr yh c:wi,**(h volt battery after being fully charged. A person now carefully inserts a dielectric material of constant K= 2 so that it fills one-half of the space between the plates as shown. How much work was don ,*ellrciy *fwjh6h: (e by the person while inserting the dielectric?
A. −81 μJ
B. −108 μJ
C. −144 μJ
D. −216 μJ
E. −288 μJ
参考答案: B
本题详细解析:
暂无
|