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A solid insulating sphere of radlus a carries charge 2g, which Is uniformly distributed over Its volume. Concentric with this sphere, there is a
conducting, hollow spherical shell with Inner radlus b and outer radius c. which carrles charge q. Find the electric potentlal at the surface r=b. if
the potential at infinity is zero.
14
Insulator
Conductor
29
a.
b.
24
4regb
24
3q
C.
4xegb
4xegC
d.34
24
e.
4xegb

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