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A and B are two thin concentric hollow c...

A and B are two thin concentric hollow conductors having radii `a` and `2a` and charge `2Q` and Q, respectively. If potential of outer sphere is 5V, then potential of inner sphere is

A

20 V

B

10 V

C

`(25)/(3)V`

D

`(50)/(3)V`

Text Solution

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The correct Answer is:
C
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DC PANDEY-ELECTROSTATIC POTENTIAL AND CAPACITORS-(A) Chapter exercises
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  2. Potential difference between two points (V(A) - V(B)) in an electric f...

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  3. A and B are two thin concentric hollow conductors having radii a and 2...

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  4. A spherical conductor of radius 2 m is charged to a potential of 120 V...

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  5. In Millike's oil drop experiment an oil drop carrying a charge Q is he...

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  6. There are four concentric shells A,B, C and D of radii a,2a,3a and 4a ...

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  7. A solid conducting sphere having a charge Q is surrounded by an unchar...

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  8. A point charge q is placed at a distance of r from the centre O of an ...

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  9. A hollow sphere of radius r is put inside another hollow sphere of rad...

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  10. Three plates A, B, C each of area 50 cm^(2) have separation 3 mm betwe...

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  11. A parallel plate capacitor with air as medium between the plates has a...

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  12. The capacities and connection of five capacitors are shown in the adjo...

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  13. A charge +Q is uniformly distributed over a thin ring of the radius R....

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  14. A parallel plate capacitor of capacitance C is connected to a battery ...

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  15. Condenser A has a capacity of 15 muF when it is filled with a medium o...

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  16. In the given if point C is connected to the earth and a potential of +...

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  17. A network of four capacitors of capacity equal to C(1) = C, C(2) = 2C,...

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  18. Figures shows three spherical and equipotential surfaces 1,2 and 3 rou...

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  19. A charged oil drop of mass 2.5xx10^(-7)kg is in space between the two ...

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  20. A capacitor of 4 mu F is connected as shown in the circuit. The intern...

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