如图所示电路中,开关S闭合前电路为稳态,t=0时开关S闭合,则t 0时电容电压u

Loveyou2019-12-17  9

问题 如图所示电路中,开关S闭合前电路为稳态,t=0时开关S闭合,则t 0时电容电压uc(t)为( )。A.3(1+e-10t)V B.5(1 + e-10t)V C.5(1-e-10t)V D.3(1-e-10t)V

选项

答案C

解析解[img]/upload/tiku/37/2011757_1.jpg[/img][img]/upload/tiku/37/2011757_1_1.jpg[/img][img]/upload/tiku/37/2011757_1_2.jpg[/img][img]/upload/tiku/37/2011757_1_3.jpg[/img]
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