An iron wire has a cross-sectional area equal to 4.00 x 10-6 m2. Carry out the following steps to determine the drift speed of the conduction electrons in the wire if it carries a current of 36.0 A. (a) How many kilograms are there in 1.00 mole of iron? kg/mol (b) Starting with the density of iron and the result of part (a), compute the molar density of iron (the number of moles of iron per cubic meter). |mol/m3 (c) Calculate the number density of iron atoms using Avogadro's number. atoms/m3 (d) Obtain the number density of conduction electrons given that there are two conduction electrons per iron atom. electrons/m3 (e) Calculate the drift speed of conduction electrons in this wire. m/s Need Heln? Read It

An iron wire has a cross-sectional area equal to 4.00 x 10-6 m2. Carry out the following steps to determine the drift speed of the conduction electrons in the wire if it carries a current of 36.0 A. (a) How many kilograms are there in 1.00 mole of iron? kg/mol (b) Starting with the density of iron and the result of part (a), compute the molar density of iron (the number of moles of iron per cubic meter). |mol/m3 (c) Calculate the number density of iron atoms using Avogadro's number. atoms/m3 (d) Obtain the number density of conduction electrons given that there are two conduction electrons per iron atom. electrons/m3 (e) Calculate the drift speed of conduction electrons in this wire. m/s Need Heln? Read It

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 28P: An aluminum wire 1.628 mm in diameter (14-gauge) carries a current of 3.00 amps, (a) What is the...

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