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magnetic permeability
(redirected from Permeability (electromagnetism))

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
magnetic permeability
n.
The ability of a substance to acquire high magnetization in relatively weak magnetic fields.

magnetic permeability
A measure of the ability of a substance to sustain a magnetic field, equal to the ratio between magnetic flux density and magnetic field strength. For a vacuum, its value is 1.257 × 10-6 henries per meter. Highly magnetizable materials, such as ferromagnetic materials, have higher magnetic permeability. See also ferromagnetism.


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