Question: An 1 8 gauge copper wire ( diameter 1 . 0 2 mm ) carries a current with a current density of 3 . 5

An 18 gauge copper wire (diameter 1.02mm) carries a current with a current density of 3.501063.50106 A/m2. The density of free electrons for copper is 8.510288.51028 electrons per cubic meter.Calculate the current in the wire.Calculate the magnitude of the drift velocity of electrons in the wire.

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