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Old 01-June-2005, 04:54 PM
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papageno papageno is offline
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Quote:
Originally Posted by lyndonashmore
Quote:
Originally Posted by papageno
Why don't you cite a proper textbook about soild state physics, or metals?
Why do you have to rely on googling "SHM"?
So that any one can follow the link - not everyone has access to a library, or wants to.
Here: Solid State Physics, Brief Review, slides, 321 pages!.

Quote:
Originally Posted by lyndonashmore
Quote:
Originally Posted by papageno
Quote:
Originally Posted by lyndonashmore
In ac the thermal motion of the electrons is at about 10^5 m/s. One cycle takes 0.02 s. During this time the electron will have travelled 2km thermally - and tet we still see our T/v sets.
Electrons are extremely mobile.
Yes, but in a wire the electrons scatters on all sorts of things: what is the average scattering time (picoseconds, maybe?)?
High-Electron-Mobility-Transistors at low temperatures (1 K) have an average scattering time of 100s of picoseconds (10^-10 secs). In those 0.02 secs, an electron has scattered an average of 10^8 (100 milion) times.
This makes it worse. In IG space the electrons do not make any collisions as they oscillate. If electrons in ac can do shm and collide all these times then there is no problem with my theory.
Again obfuscation.
You were talking about wires, and I addressed wires.
Yet again you show that you do not understand that the electrons are not oscillating with an AC current: the charge density is.
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