Home
Class 12
PHYSICS
In a parallel plate capacitor, the regio...

In a parallel plate capacitor, the region between the plates is filled by a dielectric slab. The capacitor is charged from a cell and then disconnected from it. The slab is now taken out :

A

The potential difference across the capacitor increases

B

The charge on the capacitor is increased

C

The energy stored in the capacitor increases

D

A work is done by the external agent in taking the slab out

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
Promotional Banner

Topper's Solved these Questions

  • CAPACITANCE

    PHYSICS GALAXY - ASHISH ARORA|Exercise UNSOLVED NUMERICAL PROBLEMS|40 Videos

  • CAPACITANCE

    PHYSICS GALAXY - ASHISH ARORA|Exercise NUMERICAL MCQS|56 Videos

  • ATOMIC PHYSICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Problems|39 Videos

  • CURRENT ELECTRICITY

    PHYSICS GALAXY - ASHISH ARORA|Exercise All Questions|389 Videos

Similar Questions

Explore conceptually related problems

In a parallel-plate capacitor, the region between the plates is filled by a dielectric slab. The capacitor is connected to a cell and the slab is taken out. Then

Space between the plates of a parallel plate capacitor is filled with a dielectric slab. The capacitor is charged and then the supply is disconnected to it. If the slab is now taken out then

A parallel-plate capacitor is charged from a cell and then disconnected from the cell. The separation between the plates is now double.

A parallel plate capacitor is charged from a cell and then isolated from it. The separation between the plates is now increased

The space between the rectangular plates (with sides a and b ) of a parallel-plato capacitor (the distance between the plates is l) is filled with a solid dielectric whose dielectric constant is c. The capacitor is charged to a certain potential difference and disconnected from the voltage source. After that the dielectric is slowly moved out of the capacitor, which lTIOanS that the section x not filled with the dielectric gradually increases in size. How wi ll the potential difference between the plates and the surface charge densities on both parts of the capacitor (with and without the dielectric) change in the process?

A parallel plate capacitor has area of each plate A , the separation between the plates is d . It is charged to a potential V and then disconnected from the battery. The amount of work done in the filling the capacitor Completely with a dielectric constant k is.

The capacitance of a parallel plate capacitor is C when the region between the plate has air. This region is now filled with a dielectric slab of dielectric constant k. The capacitor is connected to a cell of emfE , and the slab is taken out

The capacitance of a parallel -plate capacitor is C_(0) when the region between the plates has air. This region is now filled with a dielectric slab of dielectric constant K . The capacitor is connected to a cell of emf varepsilon and the slab is takenout

Between the plates of a parallel plate capacitor a dielectric plate in introduced just to fill the complete space between the plates. The capacitor is charged and later disconnected from the battery. The dielectric plate is then slowly drawn out of the capacitor plates. the plot of the potential difference across the plates and the length of the dielectric plate drawn out is

The capacitance of a parallel plate capacitor is C_(0) when the region between the plates has air. This region is now filled with a dielectric slab of dielectric constant K . The capacitor is connected to a cell of emf V and slab is taken out. Find (a) charge flown through the cell (b) energy absorbed by the cell and (c) change in energy stored in the capacitor.

PHYSICS GALAXY - ASHISH ARORA-CAPACITANCE-ADVANCE MCQS
  1. Capacitor C(1) of the capacitance 1muF and another capacitor C(2) of c...

    Text Solution

    |

  2. A capacitor of capacity C(0) is conneted to a battery of emfV(0) When ...

    Text Solution

    |

  3. A dielectric slab fills the space between the square plates of a paral...

    Text Solution

    |

  4. In a spherical capacitor,-we have two concentric spherical shells, the...

    Text Solution

    |

  5. A parallel plate air capacitor is connected to a battery. The quantiti...

    Text Solution

    |

  6. A capacitor with no dielectric is connected to a battery at t=0.Consid...

    Text Solution

    |

  7. Each plate of a parallel plate capacitor has a charge q on it. The cap...

    Text Solution

    |

  8. Figure shows three circuits, each consisting of a switch and two capac...

    Text Solution

    |

  9. A dielectric slab of thickness d is inserted in a parallel plate capa...

    Text Solution

    |

  10. In the circuit shown, the potential difference across the 3muF capacit...

    Text Solution

    |

  11. Two identical parallel plate capacitors of same dimensions joined in s...

    Text Solution

    |

  12. A parallel plate capacitor is first connected to a constant voltage so...

    Text Solution

    |

  13. In a parallel-plate capacitor, the region between the plates is filled...

    Text Solution

    |

  14. In a parallel plate capacitor, the region between the plates is fille...

    Text Solution

    |

  15. A parallel plate capacitor is connected across a source of covstant po...

    Text Solution

    |

  16. Identical dielectric slabs are inserted into two identical capacitors ...

    Text Solution

    |

  17. A parallel plate air capacitor is connected to a battery. If plates of...

    Text Solution

    |

  18. When two identical capacitors are charged individually to different po...

    Text Solution

    |

  19. The plates of a parallel plate capacitor are, not exactly parallel. Th...

    Text Solution

    |

  20. Two capacitors of 2muF and 3muF are charged to 150 V and 120 V, respec...

    Text Solution

    |