Home
Class 12
PHYSICS
A capacitor 10muF was originally charged...

A capacitor `10muF` was originally charged to 10V. Now, the potential difference is increased to 20 V. The increase is potential energy is

A

`4xx10^-4J`

B

`10xx10^-4j`

C

`15xx10^-4j`

D

`5xx10^-4j`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TEXUAL QUESTIONS

    MODERN PUBLICATION|Exercise EXERCISE|195 Videos
  • TEXTUAL QUESTIONS

    MODERN PUBLICATION|Exercise EXERCISE|507 Videos
  • UNIT TEST -06

    MODERN PUBLICATION|Exercise EXERCISE|461 Videos

Similar Questions

Explore conceptually related problems

When the height of an object is increased, what happens to its potential energy?

When the separation between two charges is increased, the electric potential energy of the system

If potential difference across resistor is increased, will the current increase or decrease?

A capacitor of capacity 100 muF is charged to a potential difference of 12 V. It is then connected across an inductor of inductance 6 mu H . What is the current (in A) in the circuit at a time when the potential difference across the capacitor is 6.0 V?

A capacitor is charged through a potential difference of 200 V, when 0.1 C charge is stored in it. How much energy will it release, when it is discharged?

The potential energy of a system increases if work is dones:

A 10 muF capacitor is charged to a potential difference of 50 V and is connected to another uncharged capacitor in parallel. Now the common potential difference becomes 20 volt. The capacitance of second capacitor.

A parallel capacitor has capacitance 20muF . A potential difference of 220 V is applied across it. Calculate the charge on the plates and energy stored in the capacitor. If a dieletric slab of dielectric constant 5 is introduced between its plates, calculate the new value of potential difference and the energy stored.

A parallel plate capacitor of capacitance C is connected to a battery and is charged to a potential difference V. Another capacitor of capacitance 2C is ismilarly charged to a potential difference 2V. The charging battery is now disconnected and the capacitors are connected in parallel to each other in such a way that the poistive terminal of one is connected to the negative terminal of the other. The final energy of the configuration is

MODERN PUBLICATION-TEXUAL QUESTIONS -EXERCISE
  1. There is an electric field E in x-direction. If the work done on movin...

    Text Solution

    |

  2. Can a body have charge and still be at zero potential?

    Text Solution

    |

  3. Can a body have electric potential and still be uncharged?

    Text Solution

    |

  4. In the electric field of a point charge q, a certain charge is carried...

    Text Solution

    |

  5. Which of the following quantites do not depend on the choice of zero p...

    Text Solution

    |

  6. In SI, unit of permittivity is

    Text Solution

    |

  7. The capacitance of the earth viewed as a spherical conductor of radius...

    Text Solution

    |

  8. n identical mercury droplets charged to the same potential V coalesce ...

    Text Solution

    |

  9. A capacitor having capacity of 2 muF is charged to 200 V and then the ...

    Text Solution

    |

  10. A parallel plate capacitor is charged. If the plates are pulled apart

    Text Solution

    |

  11. When air is replaced by a dielectric medium of constant K, the maximum...

    Text Solution

    |

  12. An isolated capacitor of unknown capacitance has been charged to poten...

    Text Solution

    |

  13. In a charged capacitor, the energy resides

    Text Solution

    |

  14. A capacitor 10muF was originally charged to 10V. Now, the potential di...

    Text Solution

    |

  15. Two idential capacitors are joined in parallel, charged to a potential...

    Text Solution

    |

  16. The accumulation of charge on clouds, which produces lightining is cau...

    Text Solution

    |

  17. In a guard ring capacitor, the purpose of the guard ring is

    Text Solution

    |

  18. wo capacitors of capacitances C(1) and C(2) are connected in parallel ...

    Text Solution

    |

  19. A parallel plate capacitor with air as medium between the plates has a...

    Text Solution

    |

  20. Van de Graaff generator is used to

    Text Solution

    |