.左图电路中的US=2V。用右图所示的等效电流源代替左图所示的电路,该等效电流源的参数为( )。

发布时间:2025-12-02
A.IS=1A,R=2Ω
B.IS=1A,R=1Ω
C.IS=2A,R=1Ω
D..IS=2A,R=2Ω
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