Physics Unit18: Electric Currents (id: 9e2d999a4)

本题目来源于试卷: Physics Unit18: Electric Currents，类别为 国际高中通用物理

[单选题]
How much more resistance does a 1.0 cm diametes1sc kg:x8o/.8 l0 j)j gse4zj:iwuxnr rod havejf .u2m1hpcr l.ewd4- compared to a 2.0 cm diameter rod of the same lecf reuj2h1wlp-4 d.m .ngth 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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