Home
Class 12
PHYSICS
A capacitor of capacity C(1) is charged ...

A capacitor of capacity `C_(1)` is charged to the potential of `V_(0)`. On disconnecting with the battery, it is connected with a capacitor of capacity `C_(2)` as shown in the adjoining figure. The ratio of energies before and after the connection of switch S will be

A

`(C_(1) + C_(2))//C_(1)`

B

`C_(1)//(C_(1) + C_(2))`

C

`C_(1)C_(2)`

D

`C_(1)//C_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-4 (LEVEL-II)|13 Videos
  • ELECTRONICS - SEMI CONDUCTOR

    MOTION|Exercise EXERCISE - 3|29 Videos
MOTION-ELECTROMAGNETISM-Exercise
  1. Four equal capacitors , each with a capacitance (C) are connected to a...

    Text Solution

    |

  2. In the circuit shown here C(1) = 6muF, C2 = 3muF and battery B = 20V. ...

    Text Solution

    |

  3. A capacitor of capacity C(1) is charged to the potential of V(0). On d...

    Text Solution

    |

  4. A charge of 2 × 10^(–2) C moves at 30 revolution per second in a circl...

    Text Solution

    |

  5. The current in a copper wire is increased by increasing the potential ...

    Text Solution

    |

  6. Consider two conducting wires of same length and material, one wire is...

    Text Solution

    |

  7. The potential difference between points A and B is -

    Text Solution

    |

  8. If a copper wire is stretched to make its radius decrease by 0.1%, the...

    Text Solution

    |

  9. The number of dry cells, each of e.m.f. 1.5 volt and internal resistan...

    Text Solution

    |

  10. The sides of rectangular block are 2 cm, 3 cm ad 4 cm. The ratio of th...

    Text Solution

    |

  11. A long resistance wire is divided into 2n parts. Then n parts are conn...

    Text Solution

    |

  12. Two bulbs 100 W, 250 V and 200 W, 250 V are connected in parallel acro...

    Text Solution

    |

  13. Two tungston lamps with resistance R1 and R2 respectively at full inca...

    Text Solution

    |

  14. In the previous question which lamp will glow more brightly when they ...

    Text Solution

    |

  15. The current (I) and voltage (V) graphs for a given metallic wire at tw...

    Text Solution

    |

  16. A 3^(0)C rise in temperature is observed in a conductor by passing a c...

    Text Solution

    |

  17. A wire of resistance 0.5 omega m^(-1) is bent into a circle of radius ...

    Text Solution

    |

  18. In Wheat stone's bridge P = 9 ohm , Q = 11 ohms, R = 4 ohm and S = 6 ...

    Text Solution

    |

  19. The current -voltage - variation for a wire of copper of length (L) an...

    Text Solution

    |

  20. If fig. the difference of potential between (B) and (D) is -

    Text Solution

    |