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 15-mF capacitor is connected+yy;g67vv lh fzvqep 9qi7- t) to a 50-Vikjcwd 3:yidz52) 5geqg3uck+c;oi) battery and becomes fully charged. The battery is removed and a slab of dielectric that completely fills the space be)z;i ccddkjik + )5ic2gq :wuy3o5e3gtween the plates is inserted. If the dielectric has a dielectric constant of 5.0, what is the capacitance of the capacitor after the slab is inserted?
A. $75 \; mF$
B. $20 \; mF$
C. $3.0 \; mF$
D. $1.0 \; mF$
参考答案: A
本题详细解析:
暂无
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