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 shown is closed at ti i9+g azpglwq6fe +13 /w0bl 0lb7comr sr,u,ome t=0. b.bh : ;1wqz ji;itg0zAll circuit elements are ideal and R=10.0Ω, C=2.20 F and ξ = 12.0 V. The capacitor is initially uncharged. How long after the switch is closed is the voltage across the capacitor three t .bi;:hjgqb0 i ;1zw tzimes 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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