Home
Class 12
PHYSICS
By keeping the charge on a capacitor unc...

By keeping the charge on a capacitor unchanged, the energy of capacitor can be decreased by

A

increasing dielectric constant of the medium between the plates

B

decreasing the dielectric constant of the medium between the plates

C

making the dielectric constant zero

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTRONS AND PHOTONS

    NIKITA PUBLICATION|Exercise MCQs|162 Videos

  • GRAVITATION

    NIKITA PUBLICATION|Exercise Multiple Choice Questions|409 Videos

Similar Questions

Explore conceptually related problems

The charge on capacitor is

The charge on the capacitor is

Charging of Capacitor

In a charged capacitor, the energy resides in

If the charge on a capacitor is increased by 2C, then the energy stored in it increases by 21 %. The original charge on the capacitor is

In a charged capacitor, the energy is stored in

A battery is used to charge a parallel plate combination of two identical capacitors. If the potential difference across the battery is V and the total charge Q flows through the battery during the charging process then 1) The charge on each capacitor is Q/2 and the potential of each capacitor is V/2 2) The charge on each capacitor is Q and the potential of each capacitor is V 3) The charge on each capacitor is Q/2 and the potential of each capacitor is V 4) The charge on each capacitor is Q and the potential of each capacitor is V/2

NIKITA PUBLICATION-ELECTROSTATICS-Multiple Choice Questions
  1. The capacitance of earth of radius R treating as spherical conductor i...

    Text Solution

    |

  2. Earth's surface is considered to be at

    Text Solution

    |

  3. By keeping the charge on a capacitor unchanged, the energy of capacito...

    Text Solution

    |

  4. The capacitance of a capacitor does not depend upon

    Text Solution

    |

  5. Two copper spheres A and B of same radii, one hollow and the other sol...

    Text Solution

    |

  6. The dielectric constant of a metal is

    Text Solution

    |

  7. A sphere is constructed around a positive point charge q. The work don...

    Text Solution

    |

  8. The capacity of a parallel plate condenser is C. When the distance bet...

    Text Solution

    |

  9. The dielectric constant k for an insulator cannot be

    Text Solution

    |

  10. A capacitor is connected to a battery of 20 V, so that a charge of 100...

    Text Solution

    |

  11. Six identical capacitors are joined in parallel, charged to a potentia...

    Text Solution

    |

  12. The plates of a parallel plate capacitor are charged up to 100 v. Now,...

    Text Solution

    |

  13. The capacitance of the earth, viewed as a spherical conductor of radiu...

    Text Solution

    |

  14. A 4muF capacitor is charged to 400 V. If its plates are joined through...

    Text Solution

    |

  15. The area of each plate of parallel plate condenser is 20cm^(2) and dis...

    Text Solution

    |

  16. A parallel plate condenser is made up of two plates, each of surface a...

    Text Solution

    |

  17. If two conducting spheres are separately charged and then brought in c...

    Text Solution

    |

  18. The parallel plates of a condenser are separated by an insulating mate...

    Text Solution

    |

  19. A condenser is connected across another charged condenser. The energy ...

    Text Solution

    |

  20. Capacity of a parallel plate condenser can be increased by

    Text Solution

    |