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A sphere of 4 cm radius is suspended wit...

A sphere of `4 cm` radius is suspended within a hollow sphere of `6 cm` radius. The inner sphere is charged to potential `3` e.s.u. and the outer sphere is earthed. The charge on the inner sphere is

A

`1/4` esu

B

`30` esu

C

`36` esu

D

`54` esu

Text Solution

Verified by Experts

The correct Answer is:
C
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DC PANDEY-ELECTROSTATIC POTENTIAL AND CAPACITORS-(C) Chapter exercises
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  2. Two metal spheres of radii 0.01 m and 0.02 m are given a charge of 15 ...

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  3. Two connectric spheres of radii R and r have similar charges with equa...

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  4. See the digram, area of each plate is 2.0 m^(2) and d=2xx10^(-3)m. A c...

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  5. A soap bubble is charged to a potential 12 V. If its radius is dubled,...

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  6. A sphere of 4 cm radius is suspended within a hollow sphere of 6 cm ra...

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  7. In the adjoning figure, the potential difference across the 4.5 muF ca...

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  8. The equivalent capacity between points A and B in figure will be, whil...

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  9. In the arrangement of capacitors shown in figure, each capacitor is of...

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  10. The equivalent capacitance between points A and B will be

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  11. Four metallic plates each with a surface area of one side A are placed...

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  12. Four capacitors each of capacity 8 muF area connected with each other ...

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  13. Four point charges -Q, -q, 2q and 2Q are placed, one at each corner of...

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  14. A spherical drop of capacitance 1 muF is broken into eight drop of equ...

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  15. A capacitor having capacity of 2 muF is charged to 200 V and then the ...

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  16. The potential of a large liquid drop when eight liquid drops are combi...

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  17. The electric field in a certain region is given by E=5 hat(i)-3hat(j) ...

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  18. In a parallel plate capacitor with plate area A and charge Q, the forc...

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  19. Two capacitors, 3mu F and 4mu F, are individually charged across a 6V ...

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  20. The equivalent capacitance between A and B for the combination of capa...

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