电阻的实验定律是( )。<img src="https://up.zaixiankaoshi.com/14015569/1710833886223.png">
A、R=
B、R=
C、R=(SL)
D、R=
发布时间：2025-02-08 05:05:34
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答案：A
（黑色）：
则下列一定正确的是( )![](https://fb.fenbike.cn/api/planet/accessories/formulas?</a>
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