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The potential enery of a charged paralle...

The potential enery of a charged parallel plate capacitor is `U_(0)`. If a slab of dielectric constant K is inserted between the plates, then the new potential energy will be

A

`(U_(0))/(k)`

B

`U_(0)k^(2)`

C

`(U_(0))/(k^(2))`

D

`U_(0)^(2)`

Text Solution

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The correct Answer is:
A
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DC PANDEY-ELECTROSTATIC POTENTIAL AND CAPACITORS-(A) Chapter exercises
  1. Which of the following is not true ?

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  2. The energy stored in the condenser is

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  3. The potential enery of a charged parallel plate capacitor is U(0). If ...

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  4. A charge Q is placed at the origin. The electric potential due to this...

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  5. The force between the plates of a parallel plate capacitor of capacita...

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  6. An electron field of moment p is placed in a uniform electric field E....

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  7. A positively charged particle is released from rest in a uniform elect...

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  8. Identify the false statement

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  9. Equipotentials at a great distance from a collection of charges whose ...

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  10. An electron enters in high potential region V(2) from lower potential ...

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  11. The capacitance of a metallic sphere is 1 muF, if its

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  12. The unit of electric field is not equivalent to

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  13. The electric potential V is givne as a function of distance x (metre) ...

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  14. Potential at a point x-distance from the centre inside the conducting ...

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  15. If a charged spherical conductor of radius 5 cm has potential V at a p...

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  16. Two plates are at potentials -10 V and +30 V. If the separation betwee...

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  17. The potential at a point due to an electric dipole will be maximum and...

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  18. An electric dipole when placed in a uniform electric field E will have...

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  19. How much kinetic energy will be gained by an alpha-particle in going f...

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  20. A charged particle of mass m and charge q is released from rest in an ...

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