汽車可以防雷擊嗎? - 汽車

By Quintina
at 2016-07-29T21:31
at 2016-07-29T21:31
Table of Contents
認真回~
我想應該學過電磁學的人都會
如果你的車外殼是用金屬(σ>>1)做的
因為金屬電場只分佈在表面(集膚效應skin effect)~
也就是說閃電會沿著車外殼流到地底下去
裡面的人毫髮無傷
這在古早前偉大的法拉第先生就做過實驗了
真的是超級偉大~
在當時科學還沒有現在這麼發達的時代
他竟然親自跑進鐵籠裡測試高壓電
是我的話早就已經閃尿+兩腿發軟了XD
可以參考一下Wiki上的資料:
https://goo.gl/3LAqMk
當然這套理論也可以延伸電磁波碰到金屬會反射
因為電波根本進不去~
就像在電梯裡面不能打電話一樣
--
Tags:
汽車
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