Home
Class 12
PHYSICS
A capacitor is charged to potential V(1)...

A capacitor is charged to potential `V_(1)`. The power supply id disconnected and capacitor is connected in parallel to another uncharged capacitor. Calculate common potential of the combination of capacitors. Show that total energy of the combination is less than sum of energies stored in them before they are connected.

Promotional Banner

Topper's Solved these Questions

  • CAPACITORS

    SL ARORA|Exercise Problem From Competitive Examinations|17 Videos

  • CAPACITORS

    SL ARORA|Exercise problem for self practive|65 Videos

  • ATOMS, NUCLEI AND MOLECULES

    SL ARORA|Exercise Problems For Self Practice|87 Videos

  • CHEMICAL EFFECT OF CURRENT

    SL ARORA|Exercise TYPE-B|5 Videos

Similar Questions

Explore conceptually related problems

A 400 pF capacitor, charged by a 100 volt d.c supply is disconnected from the supply and connected to another uncharged 400 pF capacitor. Calculate the loss of energy.

A capacitor of capacitance of 2muF is charged to a potential difference of 200V , after disconnecting from the battery, it is connected in parallel with another uncharged capacitor. The final common potential is 20V then the capacitance of second capacitor is :

A 4muF capacitor is connected to another 8muF capacitor. The combination is charged at 300V. Calculate (i) total charge on the combination (ii). Total energy stored in the combination.

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 is

A 80muF capacitor is charged by a 50V battery. The capacitor is disconnected from the battery and then connected across another uncharged 320muF capacitor. Calculate the charge on the second capacitor.

A 100muF capacitor is charged to 100 V . After the charging, battery is disconnected. The capacitor is then connected in parallel to another capacitor. The final voltage is 20 V . Calculate cap the capacity of second capacitor.

A 600 pF capacitor is charged by a 200 V supply. It is then disconnected from the supply and is connected to another uncharged 600 pF capacitor. What is the common potential in V and energy lost in J after reconnection?

A muF capacitor C_1 is charged to V_0 = 120 V . The charging battery is then removed and the capacitor is connected in parallel to an uncharged + 4muF capacitor C_2 . (a) what is the potential difference V across the combination? (b) what is the stored energy before and after the switch S is closed?

SL ARORA-CAPACITORS-problem for self practive
  1. A capacitor is charged to potential V(1). The power supply id disconne...

    Text Solution

    |

  2. Capacitance of a conductor is 1muF. What charge is required to raise i...

    Text Solution

    |

  3. Find the capacitnace of a conducting sphere of radius 10 cm situated i...

    Text Solution

    |

  4. The radius of isolated conducting sphere is 1600 km. find the its capa...

    Text Solution

    |

  5. If the capacitance of a conductor carrying a charge of 8 C is 0.005 F...

    Text Solution

    |

  6. 125 drops of water each of radius 2 mm and carrying charge of 1 nC ...

    Text Solution

    |

  7. If 64 drps each charged to 220 V coalesce, what will be the potential ...

    Text Solution

    |

  8. N drops of mercury of equal radii and possessing equal charges combine...

    Text Solution

    |

  9. Show that the SI unit of epsilon0 may be written as farad meter^(-1).

    Text Solution

    |

  10. A capacitor has a capacitance of 8.5muF. How much charge must be remov...

    Text Solution

    |

  11. Calculate capacitance of a parallel plate capacitor with area of each ...

    Text Solution

    |

  12. A parallel plate capacitor has capacitance of 1.0 F. If the plates are...

    Text Solution

    |

  13. A parallel plate air capacitor consists of two circular plates of diam...

    Text Solution

    |

  14. A parallel-plate capacitor has each plate of 6 cm diamter. If its two ...

    Text Solution

    |

  15. A parallel plate capacitor has plates of area 200cm^2 and separation ...

    Text Solution

    |

  16. A sphere of radius 0.03m is suspended within a hollow sphere of radius...

    Text Solution

    |

  17. A cylindrical capacitor is constructed using two coaxial cylinders of ...

    Text Solution

    |

  18. A charge of 20 muC is placed on the positive plante of on isolated p...

    Text Solution

    |

  19. A charge of +2.0xx 10 ^-8 C is placed on the positive place and a cha...

    Text Solution

    |

  20. Three capacitors each of capacitor 2muF are connected in series. Find ...

    Text Solution

    |

  21. Two capacitors have a capacitance of 5 muF when connected in parallel ...

    Text Solution

    |