David G. Nagel wrote:
Cecil Moore wrote:
The basic question is where does the energy from corona
come from? There should be a simple answer to that
simple question.

Motion of one material against another. Silk/glass, dust/metal, rubber
belt/metal combs.
They all transfer electrons from one object to anther.

Does triboelectricity *always* cause corona? Of course not!
--
73, Cecil http://www.qsl.net/w5dxp