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]
Consider two copper wires. Onqcqj wz2/z,-hr a i.:hatp0.me j8 4b6hnjmoe 4has twice the cross-sectional area of the other. How do the resistances of these two wirno6e 84j4jbhm es 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:
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