A horizontal metal bar oriented east-west, is dropped straight down at a place where Earth's magnetic field is due north. As a result, an induced emf develops between the two ends of the bar. What would be the direction of the induced potential difference ? O Neither end carries any excess charge O West to east, the west end being at higher potential accumulating more positive charges O East to west, the west end being at higher potential (accumulating positive charges). O East to west, the east end being at higher potential accumulating more positive charges.
A horizontal metal bar oriented east-west, is dropped straight down at a place where Earth's magnetic field is due north. As a result, an induced emf develops between the two ends of the bar. What would be the direction of the induced potential difference ? O Neither end carries any excess charge O West to east, the west end being at higher potential accumulating more positive charges O East to west, the west end being at higher potential (accumulating positive charges). O East to west, the east end being at higher potential accumulating more positive charges.
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter31: Gauss’s Law For Magnetism And Ampère’s Law
Section: Chapter Questions
Problem 21PQ
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