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An isolated c...

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An isolated conductor of any shape has a net charge of +10micro coulomb. Inside the conductor is a cavity within which is a point charge of +3micro coulomb. What is the charge on the cavity wall? On the outer surface of the conductor.

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Q. An isolated conductor of any shape has a net charge of

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Q. A conductor has a random shaped cavity in it. There is a point charge placed inside cavity. One more point charge is placed outside as shown. The conductor is earthed. Obtain the potential due to outer surface charges of the conductor at point A.

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