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There are two conducting spheres of rad...

There are two conducting spheres of radius a and b `(b gt a)` carrying equal and opposite charges. They are placed at a separation d (`gt gt gt ` a and b). The capacitance of system is

A

`(4 pi epsilon_(0))/(a-b-d)`

B

`(4pi epsilon_(0))/((1)/(a)-(1)/(b)-(1)/(d))`

C

`(4pi epsilon_(0))/((1)/(a)+(1)/(b)-(1)/(d))`

D

`(4 pi epsilon_(0))/((1)/(a)+(1)/(b)-(2)/(d))`

Text Solution

Verified by Experts

The correct Answer is:
D
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RESONANCE-CAPACITANCE-Exercise - 2
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  2. Two spherical conductors A(1) and A(2) of radii r(1) and r(2) are plac...

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  3. There are two conducting spheres of radius a and b (b gt a) carrying ...

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  4. A capacitor of capacitance C(0) is charged to a voltage V(0) and then ...

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  5. A network of uncharged capacitors and resistances is as shown C...

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  6. (i) A 3mu F capacitor is charged up to 300 volt and 2mu F is charged u...

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  7. (ii) If instead of this, the plates of opposite polarity were joined ...

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  8. In the circuit shown in figure, the capacitors are initially uncharged...

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  9. Six capacitors each of capacitance 'C' is connected as shown in the ...

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  10. The equivalent capacitance between point A and B is

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  11. In the arrangement of the capacitor shown in the figure, each C(1) cap...

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  12. In the arrangement of the capacitor shown in the figure, each C(1) cap...

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  13. In the arrangement of the capacitor shown in the figure, each C(1) cap...

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  14. A combination arrangement of the capacitors is shown in the figure ...

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  15. A combination arrangement of the capacitors is shown in the figure ...

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  16. The V versus x plot for six identical metal plates of cross-sectiona...

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  17. Each edge of the cube contains a capacitance C. The equivalent capacit...

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  18. The potential difference between the points P and Q in the adjoining c...

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  19. The time constant of the circuit shown is :

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  20. n resistances each of resistance R are joined with capacitors of ca...

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