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Two thin conducting shells of radii R an...

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

With the switch S open, the potential of the inner sphere is equal to that of the outer

B

When the switch S is closed, the potential of the inner sphere becomes zero

C

With the switch S closed, the charge attained by the inner sphere is –q/3

D

By closing the switch the capacitance of the system increases

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MOTION-Capacitance -EXERCISE -2 LEVEL (II)
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  2. Two capacitors of 2muF and 3muF are charged to 150 V and 120 V, respec...

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  3. Two thin conducting shells of radii R and 3R are as shown in the fig. ...

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  4. A circuit shown in the figure consists of a battery of emf 10V and two...

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  6. Identify the correct statements.

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  7. The figure shows a arrangement of capacitors and a battery. If t...

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  8. The figure shows a arrangement of capacitors and a battery. The ...

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  9. The value of charge q1 ,q2 and q3 as shown in the figure are

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  11. In the circuit shown each capacitor has a capcitance C. The emf of the...

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  15. The plates of a parallel plate capacitor with no dielectirc are connec...

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  16. A parallel plate capacitor A is filled with a dielectric whose dielect...

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  17. The circuit shown in the figure consists of a battery of emf epsilon =...

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  18. In the circuit shown in figure C(1) =C(2) = 2muF. Then charge stored i...

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  19. Choose the correct statement (s) related to the two circuits

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  20. Identify the correct statement (s) related to the R1 R2 , C1 and C2 o...

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