本题目来源于试卷: DC Circuits，类别为 IB物理学
[问答题]
Why is it more dangej 1vgh tk4+t3gss7;gsrouojik xxyk. nc1wqvq7 1 v7) (2a:)ziyrs to turn on an electric appliance when you are standing outside in ba1nyv 7a)( crz)vw1xqqy7o 2i :kxjki.re feet than when you are inside wearing shoes with thick soles?
参考答案:
The soles of your shoes are
made of a material which has a relatively high resistance, and there is
relatively high resistance flooring material between your shoes and the literal
ground (the Earth). With that high
resistance, a malfunctioning appliance would not be able to cause a large
current flow through your body. The
resistance of bare feet is much less than that of shoes, and the feet are in
direct contact with the ground, so the total resistance is much lower and so a
larger current would flow through your body.
本题详细解析:
暂无
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