For a disk of radius R = 18 cm and Q = 8 x 10-6 C, calculate the electric field 2 cm from the center of the disk using all three formulas below. Note: €n = 8.85e-12 C2/(N-M2).QIA2€0 - (R2 + z²)1/2(a) Most accurate approximation: E =N/CQIA(b) Less accurate approximation: E =N/C1 -2e0QIA(c) Least accurate approximation: E =2e0N/C(d) How good are the approximate formulas at this distance?

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For a disk of radius R = 18 cm and Q = 8 x 10-6 C, calculate the electric field 2 cm from the center of the disk using all three formulas below. Note: €g = 8.85e-12 c2/(N-M2). QIA 2e0 (a) Most accurate approximation: E = 1 - N/C QIA 2e0 (b) Less accurate approximation: E = 1 - N/C QIA (c) Least accurate approximation: E = 260 N/C

For a disk of radius R = 18 cm and Q = 8 x 10-6 C, calculate the electric field 2 cm from the center of the disk using all three formulas below. Note: €g = 8.85e-12 c2/(N-M2). QIA 2e0 (a) Most accurate approximation: E = 1 - N/C QIA 2e0 (b) Less accurate approximation: E = 1 - N/C QIA (c) Least accurate approximation: E = 260 N/C

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ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

For a disk of radius R = 18 cm and Q = 8 x 10-6 C, calculate the electric field 2 cm from the center of the disk using all three formulas below. Note: €n = 8.85e-12 C2/(N-M2).
QIA
2€0 - (R2 + z²)1/2
(a) Most accurate approximation: E =
N/C
QIA
(b) Less accurate approximation: E =
N/C
1 -
2e0
QIA
(c) Least accurate approximation: E =
2e0
N/C
(d) How good are the approximate formulas at this distance?

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