如图所示电路中,已知I 1 =0.01μA,I 2 =0.3μA,I 5 =9.61μA则电流I 4 等于() https://assets.asklib.com/images/image2/2017071517513143948.jpg

A . 0.1μA B . 3.5μA C . 5.51μA D . 9.3μA

时间:2022-10-02 19:16:30 所属题库:电路题库

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