APFIVE Electric Potential of Concentric Spheres
Two concentric spherical shells have radii a and b (where b > a). The inner shell has charge +Q and the outer shell has charge -Q. What is the electric potential at a point at distance r, where a < r < b?
A
V = (1/4πε₀)(Q/a - Q/b)
B
V = (1/4πε₀)(Q/r - Q/b)
C
V = 0
D
V = (1/4πε₀)(Q/r)
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