A series magnetic circuit has an iron path of length 50 cm and an air-gap of length 1 mm. The cross-sectional area of the iron is 6 cm2 and the exciting coil has 400 turns. Determine the current required to produce a flux of 0.9 mWb in the circuit
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A series magnetic circuit has an iron path of length 50 cm and an air-gap of length 1 mm. The cross-sectional area
of the iron is 6 cm2
and the exciting coil has 400 turns. Determine the current required to produce a flux of 0.9 mWb
in the circuit. The following points are taken from the magnetization characteristic :
Flux density (Wb/m2) : 1.2 1.35 1.45 1.55
Magnetizing force (AT/m) : 500 1,000 2,000 4,500
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