Is there a relation that connects a current with the diameter of a material for efficient transfer of thermal energy.(adsbygoogle = window.adsbygoogle || []).push({});

I say diameter as I think its safe to assume heat leaves radially given a uniform material.

I am also looking for a relation between resistance of a material and heat generated under high current loads. I know the basic ones but I seem to remeber something about them not being accurate given high current

Any helps appreciated

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# Heat transfer, heat from current

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