Answer to Question #308656 in Physics for chan

Question #308656

A 14-gauge copper wire has a diameter of 1.628 mm. What magnitude current flows when the drift velocity is 1.00 mm/s?

Expert's answer

The electric current

"I=jA=envA\\\\\n=1.6*10^{-19}*8.50*10^{28}*1.00*10^{-3}\\\\\n*3.14*(1.628*10^{-3})^2\/4=28.3\\:\\rm A"

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