Conduction of electricity in electrolytes

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Conduction of electricity in electrolytes occurs primarily through the movement of positive and negative ions within the solution. Electrons do not remain free in electrolytes; they are present in electronic conductors instead. In an electrolyte solution, ions are responsible for carrying the electric current. The external circuit is where electrons facilitate current flow. Thus, the conduction mechanism in electrolytes relies solely on ions, not electrons.
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conduction of electricity in electrolytes is due to presence of positive ions and negative ions or presence of positive ions, negative ions and electrons?
 
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Positive ions and negative ions. Electrons don't stay free long.
 
Electons don't exist in electrolyte solutions, they exist in electronic conductors. Therefore ions carry current in the. solution and electrons carry current in the external circuit.
P. Radhakrishnamurty.
 
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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