Does electron gas in metals experience viscosity?

AI Thread Summary
Electron gas in metals does not experience viscosity in the traditional sense due to the mutual repulsion of electrons, which prevents the analog of viscosity. Instead, the interaction between electrons and positive ion cores leads to electrical resistance. In highly charged plasma, turbulence may create effects similar to viscosity, potentially altering the resistance of the plasma arc. The discussion highlights the distinction between electrical resistance in metals and the behavior of plasma under turbulent conditions. Overall, the concept of viscosity is not directly applicable to electron gas in metals.
Christofer Br
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Does electron gas in metals experience viscosity? Also, does highly charged plasma experience viscosity?
 
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Christofer Br said:
Does electron gas in metals experience viscosity? Also, does highly charged plasma experience viscosity?
I would say that the electrons' mutual repulsion in a metal would avoid the analog of viscosity but the interaction with the positive ion cores would be what we call Electrical Resistance.
Not sure about what would happen in a plasma but there could be turbulence which could produce an equivalent to viscosity - modifying the resistance of the arc. ?
 
Thread 'Motional EMF in Faraday disc, co-rotating magnet axial mean flux'

Thread 'Motional EMF in Faraday disc, co-rotating magnet axial mean flux'

So here is the motional EMF formula. Now I understand the standard Faraday paradox that an axis symmetric field source (like a speaker motor ring magnet) has a magnetic field that is frame invariant under rotation around axis of symmetry. The field is static whether you rotate the magnet or not. So far so good. What puzzles me is this , there is a term average magnetic flux or "azimuthal mean" , this term describes the average magnetic field through the area swept by the rotating Faraday...
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