Question

An iron ring has a mean length of 1.0 m and a cross section area of 10cm2. It has a
radial air gap of 2 mm, a flux of 1.0 mWb is required in the air gap. The leakage factor
is 1.2 and iron is such that when flux density is 1.2 Wb/m2, the relative permeability is
400. Calculate the number of ampere turns required.​

Answer 1

Explanation:

very hard

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