Задача 31265.

Two cylindrical conductor of the same length and the same cross section, one of copper, iron and the other, are connected in parallel. Determine the ratio of the current capacity for these conductors. The resistivity of copper and iron are, respectively, 17 and 98 Nom * m.

Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
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