题目内容
图中,已知交流电原电压
电阻R=100Ω,
则电流表和电压表的读数分别是
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824132525666869.png)
则电流表和电压表的读数分别是
A.1.41A,200V | B.1.41A,141V |
C.2A,200V | D.2A,141V |
B
电表示数都是有效值是最大值的
所以电压表读数100
=141V。I=
=1.41A
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824132525759391.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824132525806336.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824132525931434.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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题目内容
A.1.41A,200V | B.1.41A,141V |
C.2A,200V | D.2A,141V |