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As the temperature increases beyond the Curie temperature, the relative susceptibility of ferromagnetic materials?

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in Basic Electrical Engineering by (88.7k points)
As the temperature increases beyond the Curie temperature, the relative susceptibility of ferromagnetic materials?

(a) Increases

(b) Decreases

(c) Remains constant

(d) Becomes zero

This question was posed to me in an interview for internship.

My question is taken from Relative Permeability in section Simple Magnetic Circuits of Basic Electrical Engineering

1 Answer

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Right answer is (b) Decreases

Explanation: The susceptibility of ferromagnetic materials increases with the increase in temperature and then it decreases when the temperature goes beyond the curie temperature.

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