Relative permeability of the cast steel, Electrical Engineering

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A closed magnetic circuit of cast steel having a 6cm long path of cross-sectional area 1cm2 and a 2 cm path of cross-sectional area 0.5 cm2. A coil of 200 turns is wound around the 6 cm length of the circuit and a current of 0.4 A flows. Verify the flux density in the 2 cm path, if the relative permeability of the cast steel is 750.

 


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