电路分析网孔法疑问~用网孔法求下图的i(0+)````
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/01 23:08:38
电路分析网孔法疑问~
用网孔法求下图的i(0+)````
![](http://img.wesiedu.com/upload/9/ee/9ee0ba98c56a012878b87778e81728e8.jpg)
用网孔法求下图的i(0+)````
![](http://img.wesiedu.com/upload/9/ee/9ee0ba98c56a012878b87778e81728e8.jpg)
![电路分析网孔法疑问~用网孔法求下图的i(0+)````](/uploads/image/z/7897680-0-0.jpg?t=%E7%94%B5%E8%B7%AF%E5%88%86%E6%9E%90%E7%BD%91%E5%AD%94%E6%B3%95%E7%96%91%E9%97%AE%7E%E7%94%A8%E7%BD%91%E5%AD%94%E6%B3%95%E6%B1%82%E4%B8%8B%E5%9B%BE%E7%9A%84i%280%2B%29%60%60%60%60)
R2*ia+R3*(ia+ib)-U(0+)=0
R4*ib+R3*(ia+ib)-Us=0
ia=-3A
ib=5A
i(0+)=ib=5A
R4*ib+R3*(ia+ib)-Us=0
ia=-3A
ib=5A
i(0+)=ib=5A