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直流电和交流电哪个对人的伤害大
更新时间: 2020-11-04 00:00:00  

直流电和交流电若相同电压,相同电流的情况下,交流电比直流电的伤害大。人体对工频交流电要比直流电敏感得多,接触直流电时,其强度达250mA有时也不引起特殊的损伤,而接触50Hz交流电时只要有50mA的电流通过人体,如持续数十秒,便可引起心脏心室纤维性颤动,导致死亡。

关键词: 直流电 交流电 哪个 伤害

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