A conducting spherical shell with inner radius a and outer radius b has a positive point charge Q located at its center. The total charge on the shell is -3Q, and it is insulated from its surroundings. Derive expressions for the electric-field magnitude E in terms of the distance r from the center for the regions a) r < a b) a < r < b c) and r > b

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A conducting spherical shell with inner radius a and outer radius b has a positive point charge Q located at its center. The total charge on the shell is -3Q, and it is insulated from its surroundings. Derive expressions for the electric-field magnitude E in terms of the distance r from the center for the regions

a) r < a

b) a < r < b

c) and r > b

a
-3Q
Transcribed Image Text:a -3Q
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