Physics Unit18: Electric Currents (id: c0bfde62b)

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 120-m long copper wire (resistivity 4fauk f+c8r7ccaj,e5 7.zg.l )nyu2i,x nggvc3n 1ctdb*0gl p8 t) tv$1.68 \times 10^{-8} \; \Omega \cdot m$) has resistance $6.0 \; \Omega$. What is the diameter of the wire?

A. $0.065 \; mm$
B. $0.65 \; mm$
C. $0.65 \; cm$
D. $0.65 \; m$


参考答案:  B


本题详细解析: 暂无

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