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 cov32h5hhs / rrnnnected to a 50-V m93saupnj ky+b bh35ezp9k9) battery and becomes fully charged. The battery is removed and a slab of dielectric that completely fills the space between t9+hbs5m9kzp 9bp) jya3ke3u n he 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
|