Two thin conducting shells of radii `R` and `3R` are as shown in the fig. External shell carries a charge `+Q` and inner shell neutral. The inner shell is earthed with the help of a switch `S`. Then A. When the switch S is open, the potential of the inner sphere is equal to that of the outerB. When the switch S is closed, the potential of the inner sphere becomes zeroC. When the switch S is closed, the charge attained by the inner sphere is `-Q//3`D. By closing the switch the capacitance of the system increases.

Two thin conducting shells of radii `R` and `3R` are as shown in the f

1.	Two thin conducting shells of radii `R` and `3R` are as shown in the fig. External shell carries a charge `+Q` and inner shell neutral. The inner shell is earthed with the help of a switch `S`. Then A. When the switch S is open, the potential of the inner sphere is equal to that of the outerB. When the switch S is closed, the potential of the inner sphere becomes zeroC. When the switch S is closed, the charge attained by the inner sphere is `-Q//3`D. By closing the switch the capacitance of the system increases.
Answer» Correct Answer - A::B::C::D

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