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IEVref:221-03-07ID:
Language:enStatus: Standard
Term: amplitude permeability
Synonym1:
Synonym2:
Synonym3:
Symbol: μa
Definition: the relative permeability obtained from the peak value of the magnetic flux density and the peak value of the applied magnetic field strength, at a stated amplitude of either, when the field strength is varying periodically with time and with an average of zero, and the material is initially in a specified neutralized state

NOTE 1 – Two amplitude permeabilities are in common use, namely:
i) that in which the peak values apply to the actual waveforms,
ii) that in which the peak values apply to the fundamental components, in which case it should be distinguished which of the waveforms, if either, is sinusoidal.

NOTE 2 – B ^ MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiqadkeagaqcaaaa@3625@ and H ^ MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiqadkeagaqcaaaa@3625@ can be static values provided the material is in a cyclic magnetic condition.


Publication date:1990-10
Source:
Replaces:
Internal notes:2016-01-06: "may" corrected to "can". JGO
2017-02-27: "In the limit" / "A la limite" deleted. See mail exchange with RS and JS 2016-01. JGO

2017-06-02: Cleanup - Remove Attached Image 221-03-071.gif

2017-06-02: Cleanup - Remove Attached Image 221-03-072.gif
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