sssamudra98 Posted July 3, 2015 Posted July 3, 2015 (edited) is current density property of a material j⃗ (t,x⃗ )=ρ(t,x⃗ )v⃗ (t,x⃗ ). where ρ is charge density as a function of time and position and v is drift velocity of electrons as a function of time and position, in a conductor maintained at constant potential difference ?? is it that only having defined current density we can define current ?? Edited July 3, 2015 by sssamudra98
Strange Posted July 3, 2015 Posted July 3, 2015 current density is the electric current per unit area of cross section https://en.wikipedia.org/wiki/Current_density
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