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A piece of ferric oxide with magnetic field intensity 10^6 A/m and susceptibility is 1.5 × 10^-3. Find the magnetisation of the material.

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A piece of ferric oxide with magnetic field intensity 10^6 A/m and susceptibility is 1.5 × 10^-3. Find the magnetisation of the material.

(a) 15A/m

(b) 150A/m

(c) 1.5A/m

(d) 1500A/m

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Question is taken from Theory of Ferromagnetism in portion Magnetic Properties of Materials of Engineering Physics II

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Best answer
Correct answer is (d) 1500A/m

The best explanation: I = Susceptibility × H

I = 1500A/m.

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