> Mike Singer <msinger@POLUOSTROV.NET> wrote:
> > Bob Ammerman wrote:
> > > DC is used for very high voltage (1 MVolt+!) long
> > > distance power transmission. For one thing, it
> > > avoids the skin effect.
> >
> > Could you, please, estimate the depth of a skin
> > effect in copper lines at 60Hz AC.
>
> http://www.circuitcellar.com/library/eq/153/3.htm

        Thanks, I didn't feel like pulling out my E&M text... :) 20mm? Wow, that's
worse then I thought, I thought at least an inch. TTYL

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