51问答网 > 为什么电池不会让人触电，但是家里的电会让人触电

为什么电池不会让人触电，但是家里的电会让人触电

2025-03-15 09:54:29
推荐回答（2个）
回答1：

直流电正负极与大地、电源变压器没有直接电气性连接，形不成回路。土壤的电阻是可以忽略不计的，假如变压器中性点接地1欧姆，你脚接地电阻是1000欧姆，那么单相触电后，人承受的电流就是220/1001欧姆=0.2A，也就是200mA,人体会感觉到触电的。

回答2：

因为电池的电压低，家里的交流电电压高

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