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鸟落在高压线上为什么不会被电死
更新时间: 2020-09-10 00:00:00  

触电的条件:

触电时,会有电流通过。要想有电流,首先要有电压;需要形成闭合回路,即电流通过器件或其它导电介质后流回电源的通路。小鸟不会触电是因为小鸟没有同时站在火线和零线上,未形成闭合回路。

关键词: 高压线 为什么

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