Assuming that there are 0.845 * 1029 electrons per m3 in a wire with cross sectional area 69 mm2 and drift velocity 4.12 * 10-8 m/s,what is the current in the wire?
A) 25 mA
B) 38 mA
C) 33 mA
D) 30 mA
E) 18 mA
Correct Answer:
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