In an experiment designed to measure the Earth's magnetic field using the Hall effect, a copper bar 0.470 cm thick is positioned along an east-west direction. 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 ha Hall voltage of 5.15 x 10:12 v, what is the magnitude of the Earth's magnetic field at this location? PT Need Help? Read It Master It

University Physics Volume 2
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ISBN:9781938168161
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Chapter11: Magnetic Forces And Fields
Section: Chapter Questions
Problem 48P: A strip of copper is placed in a uniform magnetic field of magnitude 2.5 T. The Hall electric field...
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In an experiment designed to measure the Earth's magnetic field using the Hall effect, a copper bar 0.470 cm thick is positioned along an east-west direction. 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 5.15 x 10-12 v, what is the magnitude of the Earth's magnetic field at this location?
µT
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Transcribed Image Text:In an experiment designed to measure the Earth's magnetic field using the Hall effect, a copper bar 0.470 cm thick is positioned along an east-west direction. 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 5.15 x 10-12 v, what is the magnitude of the Earth's magnetic field at this location? µT Need Help? Read It Master It
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