求此两道电路填空题的答案
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:2024/07/14 23:44:47
求此两道电路填空题的答案
![](http://img.wesiedu.com/upload/f/68/f68dc2a6feaf8ba91f72114eda571f2d.jpg)
![](http://img.wesiedu.com/upload/f/68/f68dc2a6feaf8ba91f72114eda571f2d.jpg)
![求此两道电路填空题的答案](/uploads/image/z/7703882-26-2.jpg?t=%E6%B1%82%E6%AD%A4%E4%B8%A4%E9%81%93%E7%94%B5%E8%B7%AF%E5%A1%AB%E7%A9%BA%E9%A2%98%E7%9A%84%E7%AD%94%E6%A1%88)
6.w=300rad/s,U有效=220V,Umax=220*2^(1/2)V
u=220*2^(1/2)cos(300t+45°);
7.f=50Hz,w=2*pi f(pi是圆周率)=100*pi
Z=R+jwL=60+j50*pi欧姆
u=220*2^(1/2)cos(300t+45°);
7.f=50Hz,w=2*pi f(pi是圆周率)=100*pi
Z=R+jwL=60+j50*pi欧姆