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Category > Applied SciencesPosted 17 May 2017My Price5.00
A mild steel ring has a mean circumference of 500 mm
A mild steel ring has a mean circumference of 500 mm and a uniform cross-sectional area of 300 mm2 . Calculate the m.m.f. required to produce a flux of 500 μWb. An airgap, 1.0 mm in length, is now cut in the ring. Determine the flux produced if the m.m.f. remains constant. Assume the relative permeability of the mild steel to remain constant at 220.