Permittivity and conductivity

by Septim
Tags: conductivity, permittivity
Septim is offline
May4-13, 06:42 PM
P: 121
Hello everyone,
I have seen an equation which relates conductivity with permittivity as follows in the attached image file. My question is how is this relation possible and are there any assumptions? If possible I would be happy to see the derivation of this equation.

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