Gauss law for the electric flux - opracowanie

Gauss law for the electric fl ux The total electric flux (defined in terms of the D vector) emerging from a closed surface
is equal to the total conduction charge contained within the volume bounded by that
surface. In a mathematical formula this law takes the form
In the above equation we are expected to remember that the charge density appearing
on the right hand side contains only the conduction charge density ρc.
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