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Show complete solution 2. An iron ring of mean circumference 50 cm has an air gap of 1 mm. It is uniformly wound with a

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2. An iron ring of mean circumference 50 cm has an air gap of 1 mm. It is uniformly wound with a coil having 200 turns. If the relative permeability of iron is 300 when a current of 1 Aflows through the coil, calculate the flux density in the air gap. Neglect leakage and fringing

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