In an experiment designed to measure the Earth's magnetic field using the Hall effect, a copper bar 0.400 cm thick is positioned along an east- west direction. Assume 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 4.20 × 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 0.400 cm thick is positioned along an east- west direction. Assume 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 4.20 × 10-12 v, what is the magnitude of the Earth's magnetic field at this location?
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter30: Magnetic Fields And Forces
Section: Chapter Questions
Problem 88PQ
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![In an experiment designed to measure the Earth's magnetic field using the Hall effect, a copper bar 0.400 cm thick is positioned along an east-
west direction. Assume 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 4.20 x 10¯12 v, what is the magnitude of the Earth's magnetic field at this location?
µT](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7d01a9fa-2d22-41b6-ab89-d6b153d8821e%2Ff895c061-8f2e-48ea-96a3-31a2d6cffd64%2Fjljkiqd_processed.png&w=3840&q=75)
Transcribed Image Text:In an experiment designed to measure the Earth's magnetic field using the Hall effect, a copper bar 0.400 cm thick is positioned along an east-
west direction. Assume 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 4.20 x 10¯12 v, what is the magnitude of the Earth's magnetic field at this location?
µT
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