Question

68. A wire, 1.2 mm in diameter and 32 cm long,
carries a current of 648 mA. The density of free
electrons in the wire is 5.90 x 1028 m-3.
The drift velocity of electrons in the wire is:
(a) 3.2 x 10-5 m/s (b) 6.1 x 10-5 m/s
(c) 1.8 x 10-4 m/s (d) 3.6 5 10-4 m/s
The answer differs. Please help

Answer 1

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