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(Solved): The magnetic circuit shown in the figure below has a solid iron cross section, 1cm1cm. Ea ...



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The magnetic circuit shown in the figure below has a solid iron cross section, . Each air gap is long. For this type of air gap, the effective cross-sectional area of the air gap may be taken as that of iron path to allow for fringing. Two different grades of iron are used in sections A and B. When a coil having 1000 turns is wound on part , and a current of is passed through it, the relative permeability of part is measured as 80000 , and of part as 1000000 . For a current of , calculate: a) the reluctance of part , b) the reluctance of part , c) the total reluctance of the air gaps, d) the mmf, e) the total flux \& f) the flux density in the iron sections.


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