5.关于电阻率的说法下列正确的是 A.电阻率与导体的长度和横截面积有关 b.电阻率由导体的材料决定且与温度有关 c.电阻率大的 Template




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tomski5.关于电阻率的说法下列正确的是 a.电阻率与导体的长度和横截面积有关 b.电阻率由导体的材料决定且与温度有关 coloring