A copper wire of cross-sectional area 1.00 mm2 has a current of 7.40 A flowing along its length. What is the drift speed of theconduction electrons? Assume 1.30 conduction electrons per copper atom. The mass density of copper is 9.00 g/cm3 and its molarmass is 64.0 g/mol.0.00041 * mm/s

number density n = (1.3×density×NA )/molar mass n = (1.3×9000×6.02×1023 )/0.064 n = 1.1×1029

Answered: A copper wire of cross-sectional area…

Physics for Scientists and Engineers: Foundations and Connections

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ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter28: Current And Resistance

Section: Chapter Questions

Problem 69PQ

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A copper wire of cross-sectional area 1.00 mm2 has a current of 7.40 A flowing along its length. What is the drift speed of the conduction electrons? Assume 1.30 conduction electrons per copper atom. The mass density of copper is 9.00 g/cm3 and its molar mass is 64.0 g/mol.