Electricity and Circuits: Capacitor (id: 19adc0c7a)

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]
13.45: The switch S in the RC circuit s:,tthevlq5y; mu o-qq,h9 n x)hown is closed at time t8mrnuu-n.)wyk.jt y6 =0. All circuit elements are ideal and R=10.0Ω, C=2.20 F and ξ = 12.0 V. The capacitor is initially unnt.yu -w8yr .m j)nku6charged. How long after the switch is closed is the voltage across the capacitor three times as large as the voltage across the resistor?

A. 22.0s
B. 24.2s
C. 30.5s
D. 36.0s
E. 54.7s


参考答案:  C


本题详细解析: 暂无

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