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A point charge of 25 µC is located at the the center of a thin spherical shell of 10 cm radius. This shell is uniformly charged with 11 µC. Find the electric
field at r=5 cm and r=15.
E1 =
V/m,
E2=
V/m.
What is the electric potential at these points?
V1 =
V,
V2=
V.

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