[sdiy] skin effect

Magnus Danielson cfmd at swipnet.se
Wed May 14 16:06:22 CEST 2003


From: Ian Fritz <ijfritz at earthlink.net>
Subject: Re: [sdiy] skin effect
Date: Wed, 14 May 2003 08:00:32 -0600

> At 04:54 AM 5/14/2003, Czech Martin wrote:
> >I have a question related to the following effect:
> >
> >We can assign some inductance and resistance to a piece
> >of wire. Also some capacitance (related to other wires
> >or planes).
> 
> 
> I think we have been over this before, but a piece of wire itself doesn't 
> really have an inductance.  As with capacitance, the inductance depends on 
> the relation of the piece of wire to the "other wires and planes", 
> specifically to the current loop it is part of.

Yes, but for there to be a current going through the wire there is some other
path of flow usually. The unsteady state of balancing between two charges helps
to confuse but anyway. There is a loop, but it is mighty big at times.

The magnetic field is a result of moving charges.

Cheers,
Magnus



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