Re: Series, Parallel, and Resistivity Equations

[Bernard Cleyet <anngeorg@PACBELL.NET>]

I should have been more specific i.e.

"One of the peculiarity of the drifting process of
> > electrons (in a conductor at common temperatures) is
> > the very high ratio between the rms velocity and the
> > drifting velocity. "

this is the similarity to gaseous diffusion.

"John S. Denker" wrote:

> Ludwik Kowalski wrote:
> > > One of the peculiarity of the drifting process of
> > > electrons (in a conductor at common temperatures) is
> > > the very high ratio between the rms velocity and the
> > > drifting velocity. The flow of water through a porous
> > > medium is a very different kind of "nearly random"
> > > walk.
>
> It's true that they're different.  But I'm not sure I'd
> say "very different".  The same equations have the same
> solutions.
>
> Bernard Cleyet wrote:
> >  just like diffusion of perfume in air.
>
> I wouldn't have said that.
>
> The diffusion of perfume through air is not similar
> to either of the phenomena Ludwik mentioned.

cut