Answered: FIGURE 20-21 The Hall effect. (a)…

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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(III) A long copper strip 1.8 cm wide and 1.0 mm thick is
placed in a 1.2-T magnetic field as in Fig. 20–21a. When a
steady current of 15 A passes through it, the Hall emf is
measured to be 1.02µV. Determine (a) the drift velocity of
the electrons and (b) the density of free (conducting) electrons (number per unit volume) in the copper.

FIGURE 20-21 The Hall effect.
(a) Negative charges moving to the
right as the current. (b) Positive charg
moving to the left as the current.
C
EH
d
D
(а)

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