A long copper strip 1.2 cm wide and 0.50 mm thick is placed in a 1.4 T magnetic field as shown in the figure. When a steady current of 16 A passes through it, the Hall emf is measured to be 1.06 µV. Determine the density of free (conducting) electrons (number per cubic meter) in the copper. + x X x x x [X d = 1.2 cm -> хх X X X D

A long copper strip 1.2 cm wide and 0.50 mm thick is placed in a 1.4 T magnetic field as shown in the figure. When a steady current of 16 A passes through it, the Hall emf is measured to be 1.06 µV. Determine the density of free (conducting) electrons (number per cubic meter) in the copper. + x X x x x [X d = 1.2 cm -> хх X X X D

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Magnetic Force

A magnetic force arises when a charged particle or a current-carrying conductor is placed in a magnetic field. It is created because of the movement of the charged particles.

Question

A long copper strip 1.2 cm wide and 0.50
mm thick is placed in a 1.4 T magnetic
field as shown in the figure. When a steady
current of 16 A passes through it, the Hall
emf is measured to be 1.06 µV. Determine
the density of free (conducting) electrons
(number per cubic meter) in the copper.
X X
EH
- X_× X_ ×['X _
d = 1.2 cm
X X X
хх
D

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