本题目来源于试卷: Physics Unit17: Electric Potential，类别为 国际高中通用物理
[单选题]
A 15-mF capacitor is cosdpy3i )4q6x onnected to a 50-V 5syr 9o3+bb7fr7p:-z)dodanlxzb ej wr :36h battery and becomes fully charged. The battery is removed and a slab of dielec367pbd-+ drfzy b7 3or: jlow nzh9):rse a5bxtric that completely fills the space between the plates is inserted. If the dielectric has a dielectric constant of 5.0, what is the voltage across the capacitor's plates after the slab is inserted?
A. $250 \; V$
B. $10 \; V$
C. $2.0 \; V$
D. $0.75 \; V$
参考答案: B
本题详细解析:
暂无
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