A square metal plate of edge length 7.0 cm and negligible thickness has a total charge of 8.00×10-6 C. a)Estimate the magnitude E of the electric field just off the center of the plate (at, say, a distance of 0.50 mm) by assuming that the charge is spread uniformly over the two faces of the plate. b)Estimate E at a distance of 52 m (large relative to the plate size) by assuming that the plate is a point charge.
A square metal plate of edge length 7.0 cm and negligible thickness has a total charge of 8.00×10-6 C. a)Estimate the magnitude E of the electric field just off the center of the plate (at, say, a distance of 0.50 mm) by assuming that the charge is spread uniformly over the two faces of the plate. b)Estimate E at a distance of 52 m (large relative to the plate size) by assuming that the plate is a point charge.
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 61PQ: A total charge Q is distributed uniformly on a metal ring of radius R. a. What is the magnitude of...
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A square metal plate of edge length 7.0 cm and negligible thickness has a total charge of 8.00×10-6 C.
a)Estimate the magnitude E of the electric field just off the center of the plate (at, say, a distance of 0.50 mm) by assuming that the charge is spread uniformly over the two faces of the plate.
b)Estimate E at a distance of 52 m (large relative to the plate size) by assuming that the plate is a point charge.
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