Why do electric flux and charge have the same units?

AI Thread Summary
Electric flux and electric charge share the same unit of coulombs, leading to questions about their relationship. Electric flux density is calculated using the equation D = εE, which serves practical purposes in electromagnetism. While electric flux is often expressed in terms of volts per meter (V/m), it is important to distinguish that this represents electric field intensity, not flux itself. The unit of electric charge is defined as ampere-seconds (A s), while electric flux is measured in volt-meters (V m). Understanding these distinctions is crucial for grasping the concepts of electric fields and charge interactions.
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eletric flux and charge have same units ie coloumb

is it a coincidence or some similarity exists btw these two?

electric flux density D= εE is used for calculating flux ψ not E .why?(read tht it is done for practical reasons) please explain the practical reasons ,if any.
 
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Electric flux is in V/m or Volt per distance, not coulomb.
 
yungman said:
Electric flux is in V/m or Volt per distance, not coulomb.

no,V/m is electric field intensity not flux
 
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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