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joker_900
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Homework Statement
I just have a little question about Gauss' Law (differential form).
If divE = p/e0 where p is the charge density and e0 is permittivity of free space.
But if we had a sphere with a total net charge of Q, then outside the sphere, the field is E=k/r^2 I think.
Then at any r outside the sphere, divE evaluates to a non-zero value; but outside the sphere, p is zero at any r. So how does Gauss match up?
Thanks
Homework Equations
divE=p/e0
The Attempt at a Solution
In the first section