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怎样求电流有效值
更新时间: 2020-09-21 00:00:00  

1、电流有效值实际上就是把直流电和交流电通过两个相同电阻器件,在相同时间内产生热量相等,那么就把此直流电电流作为此电流的有效值。

2、求电流有效值时需求产生的能量然后在相同的时间产生相同能量,所需电流正弦有效值为最大值除以根号2,所得的值就是所求的电流有效值。

关键词: 怎样 电流 有效

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