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January 11th, 2017, 02:06 AM   #1
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Need help to find out this solution.

Suppose that a length of electrical wire is wrapped around a section of an iron torus, and electric current conducted through the wire then What factors influence the amount of Magnetomotive force, flux, and reluctance of magnetic “circuit”?
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January 11th, 2017, 11:34 PM   #2
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MMF is determined by the amount of current through the wire coil, and the number of turns in the coil (F= I N). Reluctance is determined by the cross-sectional area of the magnetic flux path, the length of that path, the type of material the torus is made of, and the amount of flux present in the torus. Magnetic flux is determined by the MMF and reluctance.
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