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How is the magnetic induction of material defined?

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How is the magnetic induction of material defined?

(a) Wb m^-2

(b) A m^2

(c) A m^-2

(d) H m^-1

I got this question in an interview for internship.

The question is from Ferro, Para and Dia Magnetic Materials in division Magnetic & Insulating Materials of Engineering Material & Metallurgy

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Right answer is (a) Wb m^-2

To elaborate: Electromagnetic induction is the production of a voltage in an electrical conductor having a varying magnetic field. It is defined as Weber per square meter or Tesla (T). Saturation induction Ba and residual induction BT are also given by the same unit.

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