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瓦伏安各代表什么
更新时间: 2020-11-11 00:00:00  

瓦表示电流在一段时间内通过某一电路电场力所做的功。伏安表示电气测量的一种单位,等于一个单位的伏特和一个单位的安培之间的乘积,在直流电中作为功率的量度,在交流电中作为表现功率的量度。

关键词: 伏安 代表 什么

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