問題詳情
15．关于电阻率的说法正确的是
(A)电阻率与导体的长度无关
(B)电阻率与导体的材料有关
(C)电阻率与导体的形状有关
(D)电阻率与导体的横截面积有关
(A)电阻率与导体的长度无关
(B)电阻率与导体的材料有关
(C)电阻率与导体的形状有关
(D)电阻率与导体的横截面积有关
參考答案
答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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