题目内容
如图所示,单匝线圈在匀强磁场中绕
轴从图示位置开始匀速转动.①若线圈从图示位置转过
时,线圈中电动势大小为10V,则电动势的最大值为 V②若线圈产生的最大电动势为40V,线圈电阻为R=1Ω,角速度ω=100
rad/s,则线圈由图示位置转过900过程中产生的热量 ,由图示位置转过1800过程中通过线圈截面的电量 。(结果可以为分数形式)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408242244410914267.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824224437940364.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824224438579420.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824224439858309.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408242244410914267.png)
.①20 ②4J
C
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824224441918449.png)
试题分析:①根据
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824224443119719.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824224444336601.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824224445599887.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824224446925515.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824224447471504.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408242244482821334.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824224449562858.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824224450856922.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824224452182894.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824224441918449.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824224454694181.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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