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Two wires are of the same length, same r...

Two wires are of the same length, same radius, but one of them is of them is of copper and the other is of iron. Which will have more resistance ?

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As `R = rho l//A and rho` for iron is more than that for copper, the iron wire has more resistance.
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PRADEEP-ELECTRICITY-(Additional)Very Short Answer
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  2. How does the resistance of a metallic wire depend on its temperature ?

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