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  • 08-01-2024
  • Physics
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An 18-gauge copper wire (diameter 1.02 mm) carries a current with a current density of 1.50 × 106 A/m2. The density of free electrons for copper is 8.5 × 1028 electrons per cubic meter. Calculate (a) the current in the wire and (b) the drift velocity of electrons in the wire.

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