题目内容
如图所示,图线Ⅰ和图线Ⅱ所表示的电阻
值分别是( )
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241250142336810.png)
值分别是( )
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241250142336810.png)
A.4 Ω和2 Ω |
B.0.25 Ω和0.5 Ω |
C.4 kΩ和2 kΩ |
D.2.5×10-4Ω和5.0×10-4Ω |
C
图线的斜率表示电阻,![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241250142651338.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241250142801281.png)
所以应该选C
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241250142651338.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241250142801281.png)
所以应该选C
![](http://thumb2018.1010pic.com/images/loading.gif)
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题目内容
A.4 Ω和2 Ω |
B.0.25 Ω和0.5 Ω |
C.4 kΩ和2 kΩ |
D.2.5×10-4Ω和5.0×10-4Ω |