题目内容
用伏安法测电阻
![](http://thumb.1010pic.com/pic7/pages/3130/1033/0122/9fc1e70f43612eed9e2fbcd23a7a4388/A/Image9534.gif)
![](http://thumb.1010pic.com/pic7/pages/3130/1033/0122/9fc1e70f43612eed9e2fbcd23a7a4388/A/Image9535.gif)
![](http://thumb.1010pic.com/pic7/pages/3130/1033/0122/9fc1e70f43612eed9e2fbcd23a7a4388/A/Image9536.gif)
![](http://thumb.1010pic.com/pic7/pages/3130/1033/0122/9fc1e70f43612eed9e2fbcd23a7a4388/A/Image9537.gif)
![](http://thumb.1010pic.com/pic7/pages/3130/1033/0122/9fc1e70f43612eed9e2fbcd23a7a4388/A/Image9538.gif)
![](http://thumb.1010pic.com/pic7/pages/3130/1033/0122/9fc1e70f43612eed9e2fbcd23a7a4388/A/Image9539.gif)
![](http://thumb.1010pic.com/pic7/pages/3130/1033/0122/9fc1e70f43612eed9e2fbcd23a7a4388/A/Image9540.gif)
[
]A
.![](http://thumb.1010pic.com/pic7/pages/3130/1033/0122/9fc1e70f43612eed9e2fbcd23a7a4388/A/Image9541.gif)
![](http://thumb.1010pic.com/pic7/pages/3130/1033/0122/9fc1e70f43612eed9e2fbcd23a7a4388/A/Image9542.gif)
![](http://thumb.1010pic.com/pic7/pages/3130/1033/0122/9fc1e70f43612eed9e2fbcd23a7a4388/A/Image9543.gif)
B
.![](http://thumb.1010pic.com/pic7/pages/3130/1033/0122/9fc1e70f43612eed9e2fbcd23a7a4388/A/Image9544.gif)
![](http://thumb.1010pic.com/pic7/pages/3130/1033/0122/9fc1e70f43612eed9e2fbcd23a7a4388/A/Image9545.gif)
![](http://thumb.1010pic.com/pic7/pages/3130/1033/0122/9fc1e70f43612eed9e2fbcd23a7a4388/A/Image9546.gif)
C
.![](http://thumb.1010pic.com/pic7/pages/3130/1033/0122/9fc1e70f43612eed9e2fbcd23a7a4388/A/Image9547.gif)
![](http://thumb.1010pic.com/pic7/pages/3130/1033/0122/9fc1e70f43612eed9e2fbcd23a7a4388/A/Image9548.gif)
![](http://thumb.1010pic.com/pic7/pages/3130/1033/0122/9fc1e70f43612eed9e2fbcd23a7a4388/A/Image9546.gif)
D
.![](http://thumb.1010pic.com/pic7/pages/3130/1033/0122/9fc1e70f43612eed9e2fbcd23a7a4388/A/Image9549.gif)
![](http://thumb.1010pic.com/pic7/pages/3130/1033/0122/9fc1e70f43612eed9e2fbcd23a7a4388/A/Image9550.gif)
![](http://thumb.1010pic.com/pic7/pages/3130/1033/0122/9fc1e70f43612eed9e2fbcd23a7a4388/A/Image9551.gif)
![](http://thumb.1010pic.com/pic7/pages/3130/1033/0122/9fc1e70f43612eed9e2fbcd23a7a4388/A/Image9552.gif)
答案:D
解析:
解析:
解析:在实验中对数据的处理时,应注意欧姆定律的适用条件“同一性”和“同时性”,先求出三次对应的电阻值,再求三个电阻的平均值. |
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题目内容
用伏安法测电阻
[
]A
.B
.C
.D
.
解析:在实验中对数据的处理时,应注意欧姆定律的适用条件“同一性”和“同时性”,先求出三次对应的电阻值,再求三个电阻的平均值. |