MadSci Network: Physics
Query:

Re: Why would a magnet not conduct electricity?

Date: Thu Feb 25 05:40:33 1999
Posted By: Eder Molina, Researcher PhD, Dept. of Geophysics, Institute of Astronomy and Geophysics - USP
Area of science: Physics
ID: 919219255.Ph
Message:

Well, the fact is that magnets can conduct eletricity, if they
are metallic! When you get a ferrite magnet, that is composed
of a non-conductive matrix in which the material is dispersed,
there is no way to conduct eletricity (at least with these
small values generated by a battery). The same will occur
with a ceramic one.

But, if you have a AlNiCo magnet, that is metallic, and thus,
conducts eletricity, you can have your answer! The fact that
the material is magnetic don't prevent it to conduct eletricity.

Thanks to Francisco Hiodo (francisc@iag.usp.br) for discussing
this subject with me.

Best regards

Eder C. Molina
eder@iag.usp.br


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