Physics Unit18: Electric Currents (id: 0252fa3e9)

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

[单选题]
A 1.5-cm square rod, 4.0 m long7 sc, ;h kepqg-ch+:3xgvef 3g, measures 0.040 ohms. W:rlh s-fuwd) e.k s:,k /pq2kbhat is its resistivity?

A. $0.023 \; \Omega \cdot m$
B. $0.015 \; \Omega \cdot m$
C. $1.5 \times 10^{-4} \; \Omega \cdot m$
D. $2.3 \times 10^{-6} \; \Omega \cdot m$


参考答案:  D


本题详细解析: 暂无

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