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[单选题]
图所示恒定磁通磁路,已知l=20cm,5=20cm2,μ=0.01H/m,N1=600匝,N2=400匝,I=0.5A,不计漏磁,则磁通为:
图所示恒定磁通磁路,已知l=20cm,5=20cm2,μ=0.01H/m,N1=600匝,N2=400匝,I=0.5A,不计漏磁,则磁通为:![图所示恒定磁通磁路,已知l=20cm,5=20cm2,μ=0.01H/m,N1=600匝,N2=40](https://img2.soutiyun.com/ask/2019-12-04/944290991148918.png)
A.0.1Wb
B.0.06Wb
C.0.02Wb
D.0.01Wb
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.0.1Wb
B.0.06Wb
C.0.02Wb
D.0.01Wb
A.5sintV
B.7costV
C.7sintV
D.-7sintV
A.电流通过电阻时有功率损耗,磁通通过磁阻时无功率损耗
B.自然界中无对磁通绝缘的材料
C.空气也是导磁的,磁路中存在漏磁现象
D.含有铁磁材料的磁路几乎都是非线性的
A、错误
B、正确
A.错误
B.正确
A.正确
B.错误
A.磁路结构
B.线圈电阻
C.电源电压