Great idea mate. I wish I had paid more attention to electrics in workshop class!
Whilst I might have little experience of electrodynamics and have many questions about particle physics myself (like, "What is an electron, really?!"), I can read and quote those with more industry experience.
Old mate Anthony Peratt says in the introduction to his
Physics of the Plasma Universe (Springer, 2015, 2nd Ed.), p.2:
Anthony Peratt wrote:Plasmas exist... in the sea of electrons that moves freely within energy bands in the crystalline structure of metallic solids, and in many other objects.
In other words, electron flow in a metal conductor
is plasma. It's just that the ions (the metal's crystalline structure) does not move with them. And of course, where you have the flow of electrons you have the creation of temporary magnetic fields at a 90 degree angle to the flow. Metal wires or filamentary plasmas, these are two aspects of the same electromagnetic phenomenon, really.
On electrons 'piling up' at the tube end of a plate resistor, this sounds like a formation of a cathode sheath double layer as per Peratt, p. 189:
Anthony Peratt wrote:If an electrical discharge is produced between an anode and a cathode..., a cathode sheath forms near the cathode and serves to accelerate electrons that carry a current through the plasma. This sheath, a "virtual cathode", is one layer of the double layer. Similarly, a "virtual anode" is set up near the anode, protecting the plasma from this electrode. Again, a space-charge layer constitutes the border between the double layer and the plasma. The double layers carry electric currents.
I also like
this video, which shows what happens when you hurl a neodymium magnet at a copper plate. Pretty fun stuff!
Also,
video version of D_Archer's candle point above.
All the best with your research,
JP.
Great idea mate. I wish I had paid more attention to electrics in workshop class!
Whilst I might have little experience of electrodynamics and have many questions about particle physics myself (like, "What is an electron, really?!"), I can read and quote those with more industry experience.
Old mate Anthony Peratt says in the introduction to his [i]Physics of the Plasma Universe[/i] (Springer, 2015, 2nd Ed.), p.2:
[quote="Anthony Peratt"]Plasmas exist... in the sea of electrons that moves freely within energy bands in the crystalline structure of metallic solids, and in many other objects.[/quote]
In other words, electron flow in a metal conductor [i]is plasma.[/i] It's just that the ions (the metal's crystalline structure) does not move with them. And of course, where you have the flow of electrons you have the creation of temporary magnetic fields at a 90 degree angle to the flow. Metal wires or filamentary plasmas, these are two aspects of the same electromagnetic phenomenon, really.
On electrons 'piling up' at the tube end of a plate resistor, this sounds like a formation of a cathode sheath double layer as per Peratt, p. 189:
[quote="Anthony Peratt"]If an electrical discharge is produced between an anode and a cathode..., a cathode sheath forms near the cathode and serves to accelerate electrons that carry a current through the plasma. This sheath, a "virtual cathode", is one layer of the double layer. Similarly, a "virtual anode" is set up near the anode, protecting the plasma from this electrode. Again, a space-charge layer constitutes the border between the double layer and the plasma. The double layers carry electric currents.[/quote]
I also like [url=https://www.youtube.com/watch?v=sENgdSF8ppA]this video[/url], which shows what happens when you hurl a neodymium magnet at a copper plate. Pretty fun stuff!
Also, [url=https://www.youtube.com/watch?v=WoVQky1a53k]video version[/url] of D_Archer's candle point above.
All the best with your research,
JP.