Re: jumping ring demo

[brian whatcott <inet@INTELLISYS.NET>]

At 09:22 3/6/01 -0500, you wrote:
> At 07:07 AM 3/6/01 -0600, brian whatcott wrote:
> > Use a soft alloy for the ring, not the cut off from a high alloy tube.
>
> Right.
>
> Actually, "soft" isn't quite the same as "pure", although it is a good
> rough guide. You want something reasonably pure, to minimize the
> contribution of _impurity scattering_ to the resistance.

Hehe....you have to be *so* careful when nit picking.
A soft alloy with silver or copper can be more conductive
than pure aluminum.
brian whatcott <inet@intellisys.net>  Altus OK
                Eureka!