JEE Advanced 2020 Concept Recapitulation Test 3 Paper 2

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Paragraph for Question Nos. 15 and 16
A positive point charge having charge Q is placed at a distance a∕2 from centre of an unchanged spherical conductor of inner radius a and outer radius '2a'. Another positive point charge having charge "Q' is placed at a distance 4a from centre of a conducting sphere. Then

Question : 16 of 54

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If conductor is earthed. Then, amount of charge which flows through earthed wire is

‌
3Q
2
Q
‌
Q
2
Zero

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