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Suppose we have a core of 2 cm2 cross-sectional area, path length 10 cm, with μr...

Suppose we have a core of 2 cm2 cross-sectional area, path length 10 cm, with μr = 1000 and a

1 mm air gap. We wrap 150 turns of coil and inject 2A of current. What is the mmf? What are

the reluctances of the core and the gap? What is the magnetic fl ux? What is the equivalent

permeability?

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