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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 direc- tion. Assume n = 8.46 X 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?

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 direc- tion. Assume n = 8.46 X 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?

College Physics
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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55. In an experiment designed to measure the Earth's M magnetic field using the Hall effect, a copper bar 0.500 cm thick is positioned along an east-west direc- tion. Assume n = 8.46 X 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 X 10-12 V, what is the magnitude of the Earth's magnetic field at this location? ->
Transcribed Image Text:55. In an experiment designed to measure the Earth's M magnetic field using the Hall effect, a copper bar 0.500 cm thick is positioned along an east-west direc- tion. Assume n = 8.46 X 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 X 10-12 V, what is the magnitude of the Earth's magnetic field at this location? ->
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