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The B/H ratio is not constant for ________

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The B/H ratio is not constant for ________

(a) Diamagnetic materials

(b) Ferromagnetic materials

(c) Paramagnetic materials

(d) Non-magnetic materials

This question was addressed to me in semester exam.

This is a very interesting question from Determination of the B/H Characteristic topic in portion Simple Magnetic Circuits of Basic Electrical Engineering

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Best answer
The correct choice is (b) Ferromagnetic materials

The best explanation: As the magnetizing field increases, the relative permeability increases, reaches a maximum, and then decreases. Due to varying permeability, B/H ratio is not constant for ferromagnetic materials.

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