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0.003 m N= 100 turns

0.003 m N= 100 turns

EBK ELECTRICAL WIRING RESIDENTIAL
EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN:9781337516549
Author:Simmons
Publisher:Simmons
Chapter1: General Information For Electrical Installations
Section: Chapter Questions
Problem 14R
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Question

a. Find the current I required to establish a flux
φ = 2.4 × 10−4 Wb in the magnetic circuit of
Figure. Here area (throughout) =
2 × 10−4 m2, lab = lef = 0.05 m, laf = lbe
= 0.02 m, lbc = ldc, and the material is sheet steel.

b. Compare the mmf drop across the air gap to that
across the rest of the magnetic circuit. Discuss your
results, using the value of μ for each material.

0.003 m N= 100 turns
Transcribed Image Text:0.003 m N= 100 turns
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