Example problems of magnetic circuits: Difference between revisions
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Solution: |
Solution: |
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First we need to find the permeability of copper <math> \mu </math> given by the equation <br> <math> \mu = \mu_0 (1 + \chi_m) <br> <br> |
First we need to find the permeability of copper <math> \mu </math> given by the equation <br> <math> \mu = \mu_0 (1 + \chi_m)</math> <br> <br> |
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Which yeilds <math> \mu = 4*\pi*10^{-7}(1+-9.7x10^{-6}) = 1.2566x10^{-6} |
Which yeilds <math> \mu = 4*\pi*10^{-7}(1+-9.7x10^{-6}) = 1.2566x10^{-6} |
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Revision as of 17:42, 10 January 2010
Given:
A copper core with susceptibility
length of core L = 1 m
Gap length g = .01 m
cross sectional area A = .1 m
current I = 10A
N = 5 turns
Find: B
Solution:
First we need to find the permeability of copper given by the equation
Which yeilds <math> \mu = 4*\pi*10^{-7}(1+-9.7x10^{-6}) = 1.2566x10^{-6}
