On Thu, Jan 29, 2009 at 2:19 AM, <[email protected]> wrote: > In reply to David Jonsson's message of Thu, 29 Jan 2009 01:43:20 +0100: > Hi, > [snip] > >Hi > > > >Please tell me how to calculate the permittivity, the electrical constant > ? > >and the permeability, magnetic constant ?, in a gas with some net charge. > >There are no free electrons. The gas is made from diatomic molecules. > [snip] > I have no idea, but I suspect it would be quite a complicated calculation, > and > also depend on density of the gas. Actually I'm not sure it's even possible > to > create a gas with a significant net charge, so you might consider air at > STP as > a reasonable starting point, in which case the relevant relative constants > are > close to 1 (IOW treat it as a vacuum). >
Theretically anything is possible. I consider ordinary air in reasonable temperature ranges. I have seen calculations like this being performed on lectures but I do not remember enough of them. David
