Home
Class 12
PHYSICS
By inserting a plate of dielectric mater...

By inserting a plate of dielectric material between the plates of a parallel plate capacitor at constant potential, the energy is increased five times. The dielectric constant of the material is

A

` 1// 25`

B

` 1//5`

C

` 5`

D

`25`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • Capacitance

    MOTION|Exercise EXERCISE -2|36 Videos

  • Capacitance

    MOTION|Exercise EXERCISE -2 LEVEL (II)|22 Videos

  • Capacitance

    MOTION|Exercise EXERCISE -4 LEVEL II|19 Videos

  • CALORIMETRY

    MOTION|Exercise EXERCISE - 3 Section - B|4 Videos

  • CENTRE OF MASS

    MOTION|Exercise Exercise - 4 Level-II|20 Videos

Similar Questions

Explore conceptually related problems

A dielectric slab is placed between the plates of a parallel plate capacitor. Its capacitance

When dielectric is inserted in the space between plates of a capacitor, then

If the gap between the plates of a parallel plate capacitor is filled with medium of dielectric constant k=2 , then the field between them

If the distance between the plates of parallel plate capacitor is halved and the dielectric constant of dielectric is doubled, then its capacity will

When a dielectric is inserted in the space between parallel plates of a charged capacitor, then

The plates of parallel plate capacitor are charged upto 100V . A 2mm thick dielectric slab is inserted between the plates.Then to maintain the same potential difference,the distance between the plates is increased by 1.6mm . The dielectric constant of the slab is.

Insertion Of Dielectric Between Plates

MOTION-Capacitance -EXERCISE -1
  1. Hard rubber has a dielectric constant of 2.8 and a dielectric strengh...

    Text Solution

    |

  2. Two parallel plate air capacitance C, were connected in series to ...

    Text Solution

    |

  3. A parallel - plate capacitor of plate area A and plate separation d is...

    Text Solution

    |

  4. In the adjoining figure, capacitor (1) and (2) have a capacitance 'C' ...

    Text Solution

    |

  5. The distance between the plates of a charged parallel plate capacitor ...

    Text Solution

    |

  6. The capacity and the energy stored in a parallel plate condenser with ...

    Text Solution

    |

  7. By inserting a plate of dielectric material between the plates of a pa...

    Text Solution

    |

  8. A glass slab is put with in the plates of a charged parallel plate con...

    Text Solution

    |

  9. In the diagram shown find the potential difference between the points ...

    Text Solution

    |

  10. Find heat produced in the capacitors after long time on closing the sw...

    Text Solution

    |

  11. In the circuit shown, the cell is ideal , with emf= 15 V. Ecah resista...

    Text Solution

    |

  12. In steady state, find the charge on the capacitor shown in figure.

    Text Solution

    |

  13. Find out values of i1, i2 and i3

    Text Solution

    |

  14. A capacitor C=100 muF is connected to three resistor each of resistanc...

    Text Solution

    |

  15. In the transient shown the time constant of the circuit is :

    Text Solution

    |

  16. In the circuit shwon in fig. switch S is closed at time t = 0. Let I1 ...

    Text Solution

    |

  17. In the circuit shown, when the key k is pressed at time t =0, which of...

    Text Solution

    |

  18. In the R-C circuit shown in the figure the total enegry of 3.6 xx 10^(...

    Text Solution

    |

  19. A capacitor of capacitaance 5muF is connected as shown in the figure.T...

    Text Solution

    |

  20. In the given figure the steady state current is

    Text Solution

    |