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ZX-96F86AF9C62026年3月国际A卷 · 第 5 题
2026年3月国际A卷 · 原库模块 3 · Q5 原库参考解析
\( R=\frac{0.36ℓ}{A} \)
The given equation relates the resistance R , in ohms, of a wire to its length \( ℓ \), in meters, and its cross-sectional area A , in square meters. Which equation correctly expresses the length, in meters, of the wire in terms of its resistance, in ohms, and its cross-sectional area, in square meters?
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