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物理电学学不懂怎么办
更新时间: 2020-07-04 00:00:00  

1、学会分析电路图,电流从正极出发,回到负极,是最基本的;

2、搞清通路、断路的区别;

3、记下有关公式,如:欧姆定律,焦耳定律;

4、串联电路中与并联电路中电压与电流的关系;

5、学会用题目中已知的量求其他数值;

6、弄清摩擦起电;

7、弄清楚定值电阻的阻值不变。

关键词: 物理 学学 怎么办

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