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]
What is the resistance of 1.fplys,gk br l-l;u0)71f:1if 6f: wbm9 kt kpq0 m copper wire of diameter (n ;t: bz rmqdwva .(uieto*:00.40 inch? (The resistivity of copper is(;*0eodb vi:w:tq mnu a. z(tr $1.68 \times 10^{-8} \; \Omega \cdot m$.)
A. $0.00012 \; \Omega$
B. $0.00021 \; \Omega$
C. $0.0012 \; \Omega$
D. $0.0021 \; \Omega$
参考答案: B
本题详细解析:
暂无
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