Physics Unit18: Electric Currents (id: 9e2d999a4)

本题目来源于试卷: Physics Unit18: Electric Currents，类别为 通用国际物理

[单选题]
How much more resistance scw;2w *wihano .4 n4odoes a 1.0 cm diamet w70a fn(vk3inhs 5.b nfjru72er rod have compared to a 2.0 cm diameteu7 wnn5(vfnk2f7j. r3ha0s i br rod of the same length and made of the same material?

A. 75%
B. 100%
C. 300%
D. 400%


参考答案:  C


本题详细解析: 暂无

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