The amount of electrical resistance in a wire is inversely proportional to
the square of the diameter of the wire.请问是怎样一个关系,如何列式子
人气：244 ℃ 时间：2020-06-02 05:53:27
解答
电阻量与电线的直径的平方成反比.
Suppose R=resistance,d=diameter,then
R(d^2)=C
(C是个arbitrary constant/随意一个常数）
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