Re: KEN - Re: MAGNET URL - 35,000,000 Gauss

Kenneth Carrigan ( (no email) )
Thu, 17 Sep 1998 10:26:30 -0400

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In short.. permeability links Oersteds to Guass, where permeability
is not a fixed constant. There are what are called "demagnetization
curves" that show the energy product , and the amout B-Field (guass)
needed to produce a given H-Field (oersteds). The relationship is
B=3DuH, and the flux density is related to the cross section area.. or
=A5 =3D BA. Without the material.. the H-Field is pretty darn low... and=
so
would be the BH product. So... Guass.. is needed in a sense to
create oersteds in a material. You could kind of say.. Guasses can
exist internal and external.. where huge H-Fields are mainly internal.

v/r Ken Carrigan

>then what does just Gauss represent? I thought it was just the strength=
of the
>field itself? Does oersteds measure internal field strength while gauss
>measures external?

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