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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 flux density in the material.

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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 flux density in the material.

(a) 37Wb/m^2

(b) 3.725Wb/m^2

(c) 0.012612Wb/m^2

(d) 0

The question was posed to me in unit test.

My enquiry is from Theory of Ferromagnetism in portion Magnetic Properties of Materials of Engineering Physics II

1 Answer

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Right answer is (c) 0.012612Wb/m^2

The explanation: Flux density B = μ0[H+I]

B = 0.012612Wb/m^2.

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