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 wiof8bdph+d e7pr 0w e,5res. Ondw gif*1 uwe02e has twice the length of the other. How do the r02*uigf1d ww eesistances of these two wires compare?
A. Both wires have the same resistance.
B. The longer wire has half the resistance of the shorter wire.
C. The longer wire has twice the resistance of the shorter wire.
D. none of the given answers
参考答案: C
本题详细解析:
暂无
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