题目内容
(6分)环境的污染日趋加重,汽车行业目前开始推行混动版(燃油与电动力搭配)家用汽车,电动力输出以锂离子电池组为核心,它由多个电池单元组成.下面是正在研制的一种新型电池单元,某同学在测定电源电动势和内电阻的实验中,测得多组路端电压和总电流的值,得到如图所示的
图线.由图可求出该电源电动势
="______" V;内阻
="______"
.
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/2014082500353770111877.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003537607389.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003537638318.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003537654260.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003537685333.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/2014082500353770111877.jpg)
3.6 (3分);1.2(3分)
试题分析:由闭合电路的欧姆定律
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003537716549.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003537607389.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003537638318.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003537888594.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003537919812.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003537607389.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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