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Contingency
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Homework Statement
On the XY plane there exist two concentric, thin, conducting shells, centered at the origin; one is of radius R, the other of 2R.
They are connected.
There exists a point charge at (0, 1.5R).
What is the potential at some point outside the outer ring?
Homework Equations
I don't really understand what's going on here
The Attempt at a Solution
Tried method of image charges for outer sphere, and inverse for inner sphere... didn't get anywhere.
I'm trying to understand the general behavior of charges inside a void inside a conductor...
I was told that given any conductor, with a void inside of it containing charge, the electric field outside of it will be the same irrespective of how you move the charge around..
I'd really appreciate an explanation!