Homework 13/1/2021 Q1. An iron ring has a cross section of 3 cm? and a mean diameter of 25 cm and relative permeability of 3438. an air-gap of 0.4 mm has been cut a cross the section of the ring, find the reluctance of this core. This core is wound with a coil of 200 turns, find the current passed if the total magnetic flux is 0.5 mwb. Neglecting the magnetic leakage and fringing. 200 turns Air-gap

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Q: A magnetic core with an air gap is shown below. For a relative permeability is 3500, and the space…

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