Assume a uniformly charged ring of radius R and charge Q produces an electric field E ringat a point P on its axis, at distance x away from the center of the ring as in Figure a. Now the same charge Q is spread uniformly over the circular area the ring encloses, forming a flat disk of charge with the same radius as in Figure b. How does the field E disk produced by the disk at P compare with the field produced by the ring at the same point?
Assume a uniformly charged ring of radius R and charge Q produces an electric field E ringat a point P on its axis, at distance x away from the center of the ring as in Figure a. Now the same charge Q is spread uniformly over the circular area the ring encloses, forming a flat disk of charge with the same radius as in Figure b. How does the field E disk produced by the disk at P compare with the field produced by the ring at the same point?
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter24: Electric Fields
Section: Chapter Questions
Problem 36PQ: A positively charged disk of radius R and total charge Qdisk lies in the xz plane, centered on the y...
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Assume a uniformly charged ring of radius R and charge Q produces an electric field E
ringat a point P on its axis, at distance x away from the center of the ring as in Figure a. Now the same charge Q is spread uniformly over the circular area the ring encloses, forming a flat disk of charge with the same radius as in Figure b. How does the field E disk produced by the disk at P compare with the field produced by the ring at the same point?
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