Home
Class 12
PHYSICS
A fully charged capacitor has a capacita...

A fully charged capacitor has a capacitance C. It is discharged through a small coil of resistance wire embedded in a thermally insulated block of specific heat capacity s and mass m. If the temperature of the block is raised by `DeltaT`, the potential difference V across the capacitance is:

A

`sqrt((2m C Delta T)/(s ))`

B

`(mC Delta T )/(s)`

C

`(ms Delta T)/(C )`

D

`sqrt((2m s Delta T )/(C ))`

Text Solution

Verified by Experts

The correct Answer is:
D
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

A capacitor of capacitance C is fully charged by a 200 V battery. It is then discharged through a small coil of resistance wire embedded in a thermally insulated block of specific heat 2.5xx10^(2)Jkg^(-1)K^(-1) and of mass 0.1 kg. if the temperature of the block rises by 0.4 K, what is the value of C?

A capacitor of capacitance C has charge Q. it is connected to an identical capacitor through a resistance. The heat produced in the resistance is

A parallel plate capacitor of capacitance 1 mu F has a charge of + 2 mu C on one of the plates and a charge of + 4 mu C on the other. The potential difference developed across the capacitor is

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

A capacitor of capacitance 10 mu F is charged to a potential 50 V with a battery. The battery is now disconnected and an additional charge 200 mu C is given to the positive plate of the capacitor. The potential difference across the capacitor will be.

A 5.0(mu)F capacitor having a charge of (20 (mu)C) is discharged through a wire aof resistance (5.0 Omega) . Find the heat dissipated in the wire between 25 to 50 (mu)s after the connections are made.

A capacitor is connected to a 12 V battery through a resistance of (10Omega) .It is found that the potential difference across the capacitor rises to 4.0 V in 1(mu)s. find the capacitance of the capacitor.

Two capacitors of capacitance C and 3C are charged to potential difference V_(0) and 2V_(0) , respectively, and connected to an inductor of inductance L as shows in Fig. Initially, the current in the inductor is zero. Now, switch S is closed. Potential difference across capacitor of capacitance C when the current in the circuit is maximum is

Two capacitors of capacitance C and 3C are charged to potential difference V_(0) and 2V_(0) , respectively, and connected to an inductor of inductance L as shows in Fig. Initially, the current in the inductor is zero. Now, switch S is closed. Potential difference across capacitor of capacitance 3C when the current in the circuit is maximum is

A capacitor of capacitance C is charged to a potential difference V from a cell and then disconncted from it. A charge +Q is now given to its positive plate. The potential difference across the capacitor is now

AAKASH SERIES-APPENDICES ( REVISION EXERCISE )-REVISION EXERCISE (ELECTRIC POTENTIAL & CAPACITANCE )
  1. The equivalent resistance between points a and f of the network shown ...

    Text Solution

    |

  2. The energy stored in 5 mu F and 8 mu F capacitors are

    Text Solution

    |

  3. A fully charged capacitor has a capacitance C. It is discharged throug...

    Text Solution

    |

  4. A series combination of n(1) capacitors, each of value C(1) is charged...

    Text Solution

    |

  5. A spherical drop of capacitance 1 muF is broken into eight drop of equ...

    Text Solution

    |

  6. When a number of liquid drops each of surface charge density sigma an...

    Text Solution

    |

  7. n identical condensers are joined in parallel and are charged to poten...

    Text Solution

    |

  8. A condenser of capacity C(1) is charged to a potential V(0) the elect...

    Text Solution

    |

  9. A parallel plate capacitor is filled with a dielectric of dielectric c...

    Text Solution

    |

  10. A parallel -plate capacitor with the plate area 100cm^2 and the separa...

    Text Solution

    |

  11. A parallel plate capacitor has a uniform electric field E in the space...

    Text Solution

    |

  12. One plate of a capacitor is fixed, and the other is connected to a spr...

    Text Solution

    |

  13. In the given system a capacitor of plate area A is changed up to charg...

    Text Solution

    |

  14. Identify A and B:

    Text Solution

    |

  15. In the given circuit which of the following statement(s) is/are true ?

    Text Solution

    |

  16. A capacitor of capacitance 10(mu)F is connected to a battery of emf 2V...

    Text Solution

    |

  17. For a spherical capacitor shown at which points the electric field wil...

    Text Solution

    |

  18. The numerical value of the charge on either plates of capacitor 'C' as...

    Text Solution

    |

  19. The charge on 4 mu Fcapacitor in the given circuit is ("in" muC)

    Text Solution

    |

  20. Three uncharged capacitors of capacities C1 ,C2 and C3 are connected ...

    Text Solution

    |