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Condenser A has a capacity of 15 muF whe...

Condenser `A` has a capacity of `15 muF` when it is filled with a medium of dielectric constant `15`. Another condenser `B` has a capacity `1muF` with air between the plates. Both are charged separately by a battery of `100V`. After charging, both are connected in parallel without the battery and the dielectric material being removed. The common potential now is

A

400 V

B

800 V

C

1200 V

D

1600 V

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The correct Answer is:
B
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DC PANDEY-ELECTROSTATIC POTENTIAL AND CAPACITORS-(A) Chapter exercises
  1. A charge +Q is uniformly distributed over a thin ring of the radius R....

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

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

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

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

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

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

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

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  9. A parallel plate capacitor is made of two dielectric blocks in series....

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  10. A number of capacitors each of capacitance 1 muF and each one of whic...

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  11. A series combination of n(1) capacitors, each of value C(1), is charge...

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  12. Two charges +6 muC and -4 muC are placed 15 cm apart as shown. At what...

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  13. Assume that an electric field vec(E) = 30 x^(2) hat(i) exists in spac...

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  14. An electron initially at rest falls a distance of 1.5 cm in a uniform ...

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  15. A long, hollow conducting cylinder is kept coaxially inisde another lo...

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  16. The potential at a point x ( measured in mu m) due to some charges sit...

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  17. Three charges Q, +q and +q are placed at the vertices of a right-angle...

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  18. Four point charges each +q is placed on the circumference of a circle ...

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  19. The resultant capacitance between A and B in the following figure is e...

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  20. In the following circuit, the resultant capacitance between A and B is...

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