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((2msDelta T)/(8))`

B

`(msDeltaT)/(8)`

C

`(ms Delta T)/(C)`

D

`sqrt((2msDelta T)/(C))`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NEET MOCK TEST 4

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NEET MOCK TEST 8

    NTA MOCK TESTS|Exercise PHYSICS - SINGLE CHOICE|45 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 resistnace 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 capacitor of capacitance 4 muF is fully charged to a potential difference of 12 V and then charging battery is disconnected. Charged capacitor is now connected across an inductor of self-inductance of 1.2 mH. The current in the circuit at a time when the potential difference across the capacitor is 6 V 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

Does the capacitance C of a capacitor increase , decrease or remain the same (a) when the charge q on it is doubled and (b) when the potential difference V across it is tripled?

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...........

Two capacitors of capacitance 2muF and 3muF respectively are charged to potential difference 20 V and 40 V respectively. Now the capacitors are connected in series with a resistance such that the positively charged plate of one capacitor is connected to the positively charged plate of the other. The initial current through the resistance is I_(0) . The potential difference across the 2muF capacitor at the instant the current has reduced to (I_(0))/(2) is_______ V.

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

NTA MOCK TESTS-NEET MOCK TEST 5-PHYSICS - SINGLE CHOICE
  1. Two particles are projected simultaneously in the same vertical plane,...

    Text Solution

    |

  2. The diagram of a logic circuit is given below. The output F of the cir...

    Text Solution

    |

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

    Text Solution

    |

  4. The instantaneous current and volatage of an AC circuit are given by ...

    Text Solution

    |

  5. An object is approaching a convex lens of focal length 0.3m with a spe...

    Text Solution

    |

  6. A bimetallic is made of two strips A and B having coefficients of line...

    Text Solution

    |

  7. A wire of natural length l, young's modulus Y and area of cross-sectio...

    Text Solution

    |

  8. A copper disc of radius 0.1 m is roated about its centre with 20 revol...

    Text Solution

    |

  9. Figure shows the acceleration-time graphs of a particle. Which of the ...

    Text Solution

    |

  10. A single slit of width b is illuminated by a coherent monochromatic li...

    Text Solution

    |

  11. A given quantity of a ideal gas is at pressure P and absolute tempera...

    Text Solution

    |

  12. The radiation emitted by a star A is 10,000 times that of the sun. If ...

    Text Solution

    |

  13. How many times larger is the spacing between the energy levels with n=...

    Text Solution

    |

  14. In the following, which one of the diodes is reverse biased ?

    Text Solution

    |

  15. A bar magnet suspended in magnetic meridian executes oscillations with...

    Text Solution

    |

  16. Three cells of emf 1 V and iternal resistance 1 Omega each are connect...

    Text Solution

    |

  17. An elevator is going up. The variation in the velocity of the elevato...

    Text Solution

    |

  18. When the angle of incidence on a material is 60^(@), the reflected lig...

    Text Solution

    |

  19. When monochromatic radiation of intensity I falls on a metal surface, ...

    Text Solution

    |

  20. A transformer of efficiency 90% has turns ratio 10 : 1. If the voltage...

    Text Solution

    |