题目内容
如图所示的电路中,理想变压器原、副线圈的匝数比n1∶n2=22∶5,原线圈接
的交流电,电阻R1=R2=25Ω,D为理想二极管,则( )
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250045095513620.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250045095201085.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250045095513620.png)
A.电阻R1两端的电压为![]() |
B.二极管的反向耐压值应大于![]() |
C.原线圈的输入功率为200W |
D.通过副线圈的电流为3A |
ABD
试题分析:据题意,由
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250045095981008.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004509613551.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004509629629.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004509800829.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004509582566.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004509832819.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004509847596.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004509878344.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250045098941079.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004509910746.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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题目内容
A.电阻R1两端的电压为![]() |
B.二极管的反向耐压值应大于![]() |
C.原线圈的输入功率为200W |
D.通过副线圈的电流为3A |