本题目来源于试卷: Electricity and Circuits: Capacitor,类别为 美国物理杯赛(Physics Bowl)
[单选题]
09.36: For the RC circuit shown, the resistance is j,wucq*7sd-e R = 0.10 R, ozs so*ff+e+)the capacitance is C =5.0 F and the battery has voltage ξ=12 V. The capacitor is initially uncharged when the switch S is closed at time t=0. At some +)f +*e fsoszotime later, the current in the circuit is 0.50 A. What is the magnitude of the voltage across the capacitor at that moment?

A. 0
B. 5V
C. 6V
D. 7V
E. 12V
参考答案: D
本题详细解析:
暂无
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