In an experiment designed to measure the Earth’s magnetic field using the Hall effect, a copper bar 0.500 cm thick is positioned along an east-west direction. Assume it n = 8.46 × 1028 electrons/m3 and the plane of the bar is rotated to be perpendicular to the direction of → B. If a current of 8.00 A in the conductor results in a Hall voltage of 5.10 × 10–12 V, what is the magnitude of the Earth’s magnetic field at this location?

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Answered: In an experiment designed to measure…

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

Chapter23: Faraday’s Law And Inductance

Section: Chapter Questions

Problem 28P: A magnetic field directed into the page changes with time according to B = 0.030 0t2 + 1.40, where B...

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In an experiment designed to measure the Earth’s magnetic field using the Hall effect, a copper bar 0.500 cm thick is positioned along an east-west direction. Assume it n = 8.46 × 10²⁸ electrons/m³ and the plane of the bar is rotated to be perpendicular to the direction of → B. If a current of 8.00 A in the conductor results in a Hall voltage of 5.10 × 10^–12 V, what is the magnitude of the Earth’s magnetic field at this location?

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