本题目来源于试卷: Electricity and Circuits: Dielectric Material，类别为 美国物理杯赛(Physics Bowl)
[单选题]
14.47: An air-filled parallel-plate capacitor of capacitance Cdnwmfadq0 33o* 6s ge8wju+8fjr (10 mic-egqpc))jj(mt(qn is fully charged after being co1 -mt(q)enrg j mijc() 0cqjp(nnected to a battery of voltage V. The battery then is disconnected and an insulating dielectric slab of constant K is inserted between the capacitor’s plates, fully filling the region. What is the voltage between the plates once equilibrium is established with the dielectric in place?
A. $K^{2} V$
B. $KV$
C. $V$
D. $V/K$
E. $V/K^{2}$
参考答案: D
本题详细解析:
暂无
| 
