Figure shows a portion of a silver ribbon with z 1 = 11.8 mm and yı%3DB=0.23 mm, carrying a current of 120 A in the +x-direction. Theribbon lies in a uniform magnetic field, in the y-direction, with28magnitude 0.95 T. If there are 5.85 x 10 free electrons per cubicmeter, find (a) the magnitude of the drift velocityof the electrons in the x-direction; (b) the magnitude and direetion of the eleetrie field in the z-direction due to the Hall effect; (c) the Hall voltage.Let the Figure represents a strip of an unknown metal of the same dimensions as those of thesilver ribbon. When the magnetic field is 2.29 T and the current is 78.0 A, the Hall voltage isfound to be 131 µV. Find the density of free electrons in the unknown metal?

Answered: Image /qna-images/answer/2152937e-518e-4506-bec4-6a971ae96430.jpg

Figure shows a portion of a silver ribbon with z1 = 11.8 mm and y =0.23 mm, carrying a current of 120 A in the +x-direction. The ribbon lies in a uniform magnetic field, in the y-direction, with magnitude 0.95 T. If there are 5.85 x 10 free electrons per cubic meter, find (a) the magnitude of the drift velocity of the electrons in the x-direction; (b) the magnitude and direction of the electric field in the z- direction due to the Hall effect; (c) the Hall voltage. Let the Figure represents a strip of an unknown metal of the same dimensions as those of the silver ribbon. When the magnetic field is 2.29 T and the current is 78.0 A, the Hall voltage is found to be 131 uV. Find the density of free electrons in the unknown metal?

Figure shows a portion of a silver ribbon with z1 = 11.8 mm and y =0.23 mm, carrying a current of 120 A in the +x-direction. The ribbon lies in a uniform magnetic field, in the y-direction, with magnitude 0.95 T. If there are 5.85 x 10 free electrons per cubic meter, find (a) the magnitude of the drift velocity of the electrons in the x-direction; (b) the magnitude and direction of the electric field in the z- direction due to the Hall effect; (c) the Hall voltage. Let the Figure represents a strip of an unknown metal of the same dimensions as those of the silver ribbon. When the magnetic field is 2.29 T and the current is 78.0 A, the Hall voltage is found to be 131 uV. Find the density of free electrons in the unknown metal?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter22: Magnetic Forces And Magnetic Fields

Section: Chapter Questions

Problem 75P

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