The heating of a ferromagnet in an alternating magnetic field is due to

(a) Induced free electron current loops.
(b) Alterations of atomic electron orbitals.
(c) Switching of electron spin orientations.
(d) Friction created by Bloch wall motion.


(a) Induced free electron current loops.

Physics & Space Science

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The terrestrial planets have mantles of ________ materials and iron rich cores

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The outward pressure in the core of a red giant balances the inward pull of gravity when

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A baseball has a mass of 0.15 kg. If pitched at 40.0 m/s with a relative uncertainty of 1%, how uncertain is its position?

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Physics & Space Science