A flat copper ribbon 0.330 mm thick carries a steady current of 44.0 A and is located in a uniform 1.80 T magnetic field directed perpendicular to the plane of the ribbon. If a Hall voltage of 9.60 μV ismeasured across the ribbon, what is the charge density of the free electrons?m-³What effective number of free electrons per atom does this result indicate?

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Answered: heasured across the ribbon, what is the…

heasured across the ribbon, what is the charge density of the free electrons? What effective number of free electrons per atom does this result indicate?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 27P: (a) An oxygen-16 ion with a mass of 2.661026 kg travels at 5.0106 m/s perpendicular to a 1.20-T...

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Question

A flat copper ribbon 0.330 mm thick carries a steady current of 44.0 A and is located in a uniform 1.80 T magnetic field directed perpendicular to the plane of the ribbon. If a Hall voltage of 9.60 μV is
measured across the ribbon, what is the charge density of the free electrons?
m-³
What effective number of free electrons per atom does this result indicate?

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