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xxaznitex
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Homework Statement
In a certain region of space, the electric field E/vec is uniform.
Why is the charge density in this region zero?
Assume in a region of space where there is no charge, must E/vec be uniform?
Homework Equations
Gauss's Law
The Attempt at a Solution
I don't really know why a uniform electric field makes the charge density zero... The only thing that I know I could do would be to make this "area" so large (to infinity) that the resulting density would be zero. Can anyone explain to me why?