Answer to Question #246697 in Electricity and Magnetism for Sareh

Question

 In a steel core with a uniform cross-section of 5 cm2, the flux passing through it should be 7.5 Weber, it is desirable:

 1) Calculate the required MMF. 

 2) Consumption current in the coil with air distance and without air distance, by comparing its percentage.

L = 54

All sizes on the figure are in millimeters.

Answer 1

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