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安阻法测电功率怎么测

更新时间: 2020-07-10 00:00:00     

安祖法跟伏安法对比,就是把电压表换成阻值已知的定值电阻。

定值电阻跟待测对象并联,然后分别测出通过它们的电流,那就可以算出待测对象两端的电压。

关键词: 电功率 怎么

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