本题目来源于试卷: Physics Unit19: DC Circuits，类别为 通用国际物理
[单选题]
A 4.0-mF capacitor is v: 0fx7 umq;jy tpm,/ncharged to 6.0-V. It is then connected in series/k: w,qn*o t-:(tcbjj(n/ah hukh(yt with a 3/(b -,atyn:whhn(c oh *j:qtukk /(jt.0 $M\Omega$ resistor and connected to a 12-V battery. How long after being connected to the battery will the voltage across the capacitor be 9.0 V?
A. $5.5 \; s$
B. $8.3 \; s$
C. $12 \; s$
D. $17 \; s$
参考答案: B
本题详细解析:
暂无
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