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Calculate the reluctance when the magnetomotive force is 10A turns and the flux is 5Wb.

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Calculate the reluctance when the magnetomotive force is 10A turns and the flux is 5Wb.

(a) 0.5A/Wb

(b) 5A/Wb

(c) 10A/Wb

(d) 2A/Wb

This question was addressed to me by my school teacher while I was bunking the class.

I would like to ask this question from Reluctance in chapter Simple Magnetic Circuits of Basic Electrical Engineering

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Best answer
Correct choice is (d) 2A/Wb

For explanation: We know that:

F=ϕ*S

Substituting the given values from the question:

S=2A/Wb.

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