Physics, asked by emamsalah858, 6 months ago

Why is the electrical resistivity of pure copper is less than it in pure iron?

Answers

Answered by shomekeyaroy79

1

Resistance decreases as copper (or any other metal) is cooled. Its atoms vibrate less, and so they impede the flow of electrons less. Pure copper has less resistance than copper containing impurities. Impurity atoms are a different size to copper atoms, so they get in the way of moving electrons.

Answered by Anonymous

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