For a disk of radius R = 21 cm and Q = 9 x 10-6 C, calculate the electric field 1 cm from the center of the disk using all three formulas below. Note: €0 = 8.85e-12 c?/(N-M²).
For a disk of radius R = 21 cm and Q = 9 x 10-6 C, calculate the electric field 1 cm from the center of the disk using all three formulas below. Note: €0 = 8.85e-12 c?/(N-M²).
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter25: Gauss’s Law
Section: Chapter Questions
Problem 43PQ: The nonuniform charge density of a solid insulating sphere of radius R is given by = cr2 (r R),...
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Transcribed Image Text:For a disk of radius R = 21 cm and Q = 9 x 10-6 C, calculate the electric field 1 cm from the center of the disk using all three formulas below. Note: €0 = 8.85e-12 C2/(N•M²).
QIA
(a) Most accurate approximation: E =
2€0
N/C
(R2 +
QIA
2e0 L
(b) Less accurate approximation: E =
N/C
QIA
(c) Least accurate approximation: E =
260
N/C
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