A 2.50 A current is carried by a copper wire of radius 1.0 mm. If the density of conduction electrons is 8.0 x 1028 m-3, what is the drift velocity of the conduction electrons? 3.2 x 10-4 m/s 6.2 × 10-5 m/s 3.0 x 108 m/s 6.2 x 10-4 m/s O 1.6 x 10-5 m/s
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