题海让大学四年没有难题
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单选题 电路如图所示,下列网孔电流方程组正确的是( )

A. (2+2+2)Im1-2Im2-2Im3=12 -2Im1+(1+2+3)Im2-Im3=-6 -2Im1-Im2+(1+2)Im3=0

B. (2+2+2)Im1-2Im2-2Im3=-12 -2Im1+(1+2+3)Im2-Im3=6 -2Im1-Im2+(1+2)Im3=U

C. (2+2+2)Im1-2Im2-2Im3=12 -2Im1+(1+2+3)Im2-Im3=-6 -2Im1-Im2+(1+2)Im3=-U

D. (2+2+2)Im1-2Im2-2Im3=12 -2Im1+(1+2+3)Im2-Im3=-6 Im3=-2

学科：默认课程

时间：2026-05-27 00:30:00

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