Home
Class 12
PHYSICS
A capacitor of capacitance C is initiall...

A capacitor of capacitance `C` is initially charged to a potential difference of `V` volt. Now it is connected to a battery of `2V` with oppoiste polarity. The ratio of heat generated to the final enegry stored in the capacitor will be

A

` 1.75`

B

`2.25`

C

`2.5`

D

`1//2 `

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • Capacitance

    MOTION|Exercise EXERCISE -2 LEVEL (II)|22 Videos
  • Capacitance

    MOTION|Exercise EXERCISE -3 LEVEL 1|31 Videos
  • Capacitance

    MOTION|Exercise EXERCISE -1|60 Videos
  • CALORIMETRY

    MOTION|Exercise EXERCISE - 3 Section - B|4 Videos
  • CENTRE OF MASS

    MOTION|Exercise Exercise - 4 Level-II|20 Videos
MOTION-Capacitance -EXERCISE -2
  1. Two capacitors of equal capacitance (C1 = C2) are shown in the figure....

    Text Solution

    |

  2. A capacitor of capacitance C is charged to a potential difference V fr...

    Text Solution

    |

  3. A capacitor of capacitance C is initially charged to a potential diffe...

    Text Solution

    |

  4. Two dielectric slabs of constant K1 and K2 have been filled in between...

    Text Solution

    |

  5. A capacitor C is charged to a potential difference V and battery is di...

    Text Solution

    |

  6. The capacitance of a parallel plate capacitor is 2.5muF when it is hal...

    Text Solution

    |

  7. Four identical plates 1,2,3 and 4 are placed parallel to each other at...

    Text Solution

    |

  8. The capacity of a parallel plate condenser is 5muF. When glass plate i...

    Text Solution

    |

  9. Two identical capacitors 1 and 2 are connected in series to a batery a...

    Text Solution

    |

  10. A capacitor stores 60muC charge when connected across a battery. When ...

    Text Solution

    |

  11. In the above question, if the initial capacitance of the capacitor was...

    Text Solution

    |

  12. A parallel plate capacitor is connected to a battery and inserted a di...

    Text Solution

    |

  13. A parallel plate capacitor has a capacity C. The separation between pl...

    Text Solution

    |

  14. An air capacitor of 1muF is immersed in a transformer oil of dielectri...

    Text Solution

    |

  15. A parallel plate condenser is immersed in an oil of dielectric constan...

    Text Solution

    |

  16. A capacitor of capacitance 100(mu)F is connected across a battery of e...

    Text Solution

    |

  17. A capacitor of capacitance 0.1 muF is charged to a certain potential t...

    Text Solution

    |

  18. The electric field between the plates of a parallel-plate capacitor of...

    Text Solution

    |

  19. A 5.0(mu)F capacitor having a charge of (20 (mu)C)is discharged throug...

    Text Solution

    |

  20. A charged capacitor is allowed to discharge through a resistor by clo...

    Text Solution

    |