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A closed magnetic circuit of cast steel have a 6cm long path of cross-sectional area 1 cm2 and a 2 cm path of cross-sectional area 0.5cm2 .
A coil of 200 turns is wound around the 6cm length of the circuit and a current of 0.4 A ?ows.
Verify the flux density in the 2cm path, if the relative permeability of the cast steel is 750.
how would the results change if the angle of the third load in second experiment increased ? state the differences
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