Hello! I mean that they have a iman (this is the word in Portuguese that means permanent magnet) inside ... I found strange
In Wikipedia there´s a page about inductors were they say that this method is used to increase the inductance , and is successful once it increase it by hundreds.
But I think that this may cause bizarre effects on the inductor behavior and must cause them!
they for themselves have bizarre effects, and with a magnet inside, I just dont know
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“For no man can forbid the spark nor tell whence it may come.” ? Francis Bacon