Current Flow in a Wire of Uniform Conductivity s

[chewwy]

Homework Statement

current flows in a wire of circular cross-section, made of a material of uniform conductivity s. show the current is distributed uniformly across the cross-section.

Homework Equations

This should follow easily from the maxwell equations and j=sE i assume...

The Attempt at a Solution

my mind is completely blank, even though this should be really easy.. argh. help.

 

[chrisk]

Try Ampere's Law relating B to J inside the wire.