题目内容
穿过一个电阻为
的闭合线圈的磁通量每秒均匀减小
Wb,则线圈中,下列说法正确的是( )
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142719580384.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142719627339.png)
A.感应电动势为0.4V |
B.感应电动势每秒减小0.4V |
C.感应电流恒为0.4A |
D.感应电流每秒减小0.1A |
A
由
,E=0.4V,I=0.1A,感应电动势恒定,A对
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142719689949.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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题目内容
A.感应电动势为0.4V |
B.感应电动势每秒减小0.4V |
C.感应电流恒为0.4A |
D.感应电流每秒减小0.1A |