Find the Length and Volume of Stainless Steel Foil with 1.425Ω Resistance

Math Problem Statement

厚みが30μm、幅が1mmのステンレス箔を2本並列に接続した時、合成抵抗が1.425Ωとなるようなステンレス箔1本あたりの長さはいくつですか？

また、その時のステンレス箔1本あたりの体積はいくつですか？

計算過程は各ステップごとに丁寧にかいてください。

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Resistivity
Geometry
Parallel Circuits

R = ρ * (L / A)
For parallel resistors: 1/R_total = 1/R1 + 1/R2

Ohm's Law

Grades 10-12

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