求如图所示电路中,A、B、C、D元件的功率。问哪个元件为电源?哪个元件为负载?哪个元件在吸收功率?哪个元件在产生功率?电路是否满足功率平衡条件?(已知UA=30V,UB=-10V,UC=UD=40V,I1=5A,I2=3A,I3=-2A)
正确答案:![](https://img.274949.com/Images/2020-04/10/60svq4ub.jpg)
![](https://img.274949.com/Images/2020-04/10/60svq4ub.jpg)
答案解析:有
![](/editor/images/201705/qrcode_for_gh_573e2a458573_258.jpg)
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求如图所示电路中,A、B、C、D元件的功率。问哪个元件为电源?哪个元件为负载?哪个元件在吸收功率?哪个元件在产生功率?电路是否满足功率平衡条件?(已知UA=30V,UB=-10V,UC=UD=40V,I1=5A,I2=3A,I3=-2A)
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