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A wire with a diameter of 2mm has a current density of 8 A/m2 . In one second, how many electrons pass through a section

A wire with a diameter of 2mm has a current density of 8 A/m2 . In one second, how many electrons pass through a section of the wire? A. 1.6 10-19 B. 2.5 10-5 C. 1.6 1014 D. 1.6 1017 E. 1.6 1020

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