Talk:Nernst–Planck equation

Latest comment: 12 years ago by Osquar F in topic What is phi?

What is phi?

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This article doesn't say anywhere. —Preceding unsigned comment added by 24.13.162.248 (talk) 05:17, 5 October 2010 (UTC)Reply

It's the electric potential; the first equation defines the electric field as   where, according to "standard usage"   is the electric potential and   is the magnetic (vector) potential --Osquar F (talk) 08:12, 15 August 2012 (UTC)Reply