Home
Class 12
PHYSICS
Two parallel capacitors of capacitances ...

Two parallel capacitors of capacitances `C` and `2C` are connected in parallel and charged to a potential difference `V`. The battery is then disconnected, and the region between the plates of `C` is filled completely with a material of dielectric a constant `K`. The common potential difference arcoss the combination becomes.

A

`V`

B

`3V`

C

`3V//(K+2)`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • APPENDICES ( REVISION EXERCISE )

    AAKASH SERIES|Exercise REVISION EXERCISE (CUTTENT ELECTRICITY )|108 Videos

  • APPENDICES ( REVISION EXERCISE )

    AAKASH SERIES|Exercise REVISION EXERCISE (MOVING CHANGES & MEGNETISM)|95 Videos

  • APPENDICES ( REVISION EXERCISE )

    AAKASH SERIES|Exercise REVISION EXERCISE (MAGNETISM AND MATTER )|52 Videos

  • ALTERNATING CURRENT

    AAKASH SERIES|Exercise EXERCISE - III|24 Videos

  • APPENDICES (REVISION EXERCISE)

    AAKASH SERIES|Exercise LAW OF MOTION|128 Videos

Similar Questions

Explore conceptually related problems

Two parallel plate capacitors of capacitances C and 2C are connected in parallel and charged to a potential difference V. The battery is then disconnected and the region between the plates of the capacitor C is completely filled with a material of dielectric constant K. The potential differences across the capacitors now becomes...........

A parallel plate capacitor of capacitance C is charged to a potential V and then disconnected with the battery. If separation between the plates is decreased by 50% and the space between the plates is filled with a dielectric slab of dielectric constant K=10 . then

A capacitor of capacitance C is charged to a potential difference V_(0) . The charged battery is disconnected and the capacitor is connected to a capacitor of unknown capacitance C_(x) . The potential difference across the combination is V. The value of C_(x) should be

Two capacitors of capacitance C and nC are connected in parallel. A battery of emf V is connected across the combination. Now the battery is removed and a dielectric constant K is inserted filling the space between the plates of capacitor of capacitance C. The final potential difference across the system is

A parallel plate capacitor is charged to a potential difference of 10 volts. After disconnecting the battery, distance between the plates of capacitor is decreased by using nonconducting handles. The potential difference between the plates will

Ten capacitors are joined in parallel and charged with a battery up to a potential V . They are then disconnected from the battery and joined in series. Then potential of the combination will be .

A capacitor of capacitnace C is charged to a potential difference V and then disconnected from the battery. Now it is connected to an inductor of inductance L at t=0. Then

A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charging battery the distance between the plates of the capacitor is increased using an isulating handle. As a result the potential difference between the plates

A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charging battery the distance between the plates of the capacitor is increased using an isulating handle. As a result the potential difference between the plates

A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charging battery the distance between the plates of the capacitor is increased using an isulating handle. As a result the potential difference between the plates

AAKASH SERIES-APPENDICES ( REVISION EXERCISE )-REVISION EXERCISE (ELECTRIC POTENTIAL & CAPACITANCE )
  1. A capacitor is filled with two dielectrics of the same dimensions but ...

    Text Solution

    |

  2. Two identical condensers M and N are connected in series with a batter...

    Text Solution

    |

  3. Two parallel capacitors of capacitances C and 2C are connected in para...

    Text Solution

    |

  4. Two identical capacitors are connected in series. Charge on each capac...

    Text Solution

    |

  5. A 10muF capacitor and a 20muF capacitor are connected in series across...

    Text Solution

    |

  6. Three capacitors with capacitances of 1muF, 2muF and 3muF are connect...

    Text Solution

    |

  7. Five equal capacitors connected in series have a resultant capacitance...

    Text Solution

    |

  8. A number of capacitors, each of capacitance 1 mu F and each one of whi...

    Text Solution

    |

  9. A parallel plate capcitor of capcitance 5 muF and plate separation 6 c...

    Text Solution

    |

  10. A dielectric slab of length l, width b, thickness d and dielectric con...

    Text Solution

    |

  11. A parallel plate capacitor having a separation between the plates d, p...

    Text Solution

    |

  12. If metal section of shape H is inserted in between two parallel plates...

    Text Solution

    |

  13. A and B are two points in a closed circuit. The potential difference a...

    Text Solution

    |

  14. Three condensers are connected as shown in series. If the insulated pl...

    Text Solution

    |

  15. A capacitor 1mF withstands a maximum voltage of 6KV while another capa...

    Text Solution

    |

  16. A battery of emf 20V is connect to two capacitors 1 mu F and 3 mu F in...

    Text Solution

    |

  17. A capacitor is made of a flat plate of area A and B second plate havin...

    Text Solution

    |

  18. If in the infinite series circuit, C = 9 mu F and C1 = 6 mu F then the...

    Text Solution

    |

  19. Consider the situation shown in the figure. The capacitor A has a char...

    Text Solution

    |

  20. The capacity of each condenser in the following fig. is .C.. Then the ...

    Text Solution

    |