# Electric field intensity 'inside' a wire carrying current

1. Aug 4, 2012

### undetermined

I am new here and asking question for the first time of course. My question is very simple. Does electric field intensity exist 'inside' a wire carrying current? Please explain the answer.

2. Aug 4, 2012

### Staff: Mentor

Yes. Wherever there is a current density there is an electric field given by Ohm's[/PLAIN] [Broken] law: $\mathbf{J} = \sigma \mathbf{E}$

Last edited by a moderator: May 6, 2017