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Question 59

Multiple Choice

Assuming that there are 0.845 * 1029 electrons per m3 in a wire of with cross sectional area 69 mm2 and carrying a current of 30 mA,what is the drift velocity?


A) 3.21 * 10-8 m/s
B) 2.52 * 10-5 m/s
C) 8.22 * 10-3 m/s
D) 4.12 * 106 m/s
E) 3.00 * 108 m/s

Correct Answer:

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