本题目来源于试卷: Physics Unit18: Electric Currents，类别为 通用国际物理
[单选题]
Consider two copper wires.cmg8bi2 gan7ks .3tu ,4m f1kw 5 tjfp , r10ntmo/;0ofbsd3rf One has twice the cross-sectional area of the other. How do the resistanc0o 5to sj3tffnrpm1/ r;df,b0 es of these two wires compare?
A. Both wires have the same resistance.
B. The thicker wire has half the resistance of the shorter wire.
C. The thicker wire has twice the resistance of the shorter wire.
D. none of the given answers
参考答案: B
本题详细解析:
暂无
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