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A paramagnetic material had a magnetic field intensity of 10^4 A/m. If the susceptibility of the material at room temperature is 3.7×10^-3, calculate the magnetisation.

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A paramagnetic material had a magnetic field intensity of 10^4 A/m. If the susceptibility of the material at room temperature is 3.7×10^-3, calculate the magnetisation.

(a) 37A/m

(b) 3.7A/m

(c) 370A/m

(d) 0

This question was addressed to me in unit test.

Question is from Theory of Ferromagnetism topic in chapter Magnetic Properties of Materials of Engineering Physics II

1 Answer

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Best answer
Right choice is (a) 37A/m

Best explanation: Susceptibility = I/H

Intensity of magnetisation I = Susceptibility × H

Intensity of magnetisation = 37A/m.

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