Home
Class 12
PHYSICS
An isolated capacitor of capacitance C i...

An isolated capacitor of capacitance C is charged to a potential V. Then a dielectric slab of dielectric constant K is inserted as shown. The net charge on four surfaces 1,2, 3 and 4 would be respectively.

A

`0,"CV"-CV,0`

B

`0,(CV)/(K),(-CV)/K,0`

C

`CV,0,0,-CV`

D

`CV,(-CV)/K,(CV)/K,-CV`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CAPACITORS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL - II LECTURE SHEET (ADVANCED))(Straight Objective Type Questions)|9 Videos

  • CAPACITORS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL - II LECTURE SHEET (ADVANCED))(Matrix Matching Type Questions)|1 Videos

  • CAPACITORS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - IV) (LEVEL - II (ADVANCED) (More than one correct answer Type Questions)|4 Videos

  • ATOMS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|21 Videos

  • COMMUNICATION SYSTEM

    AAKASH SERIES|Exercise LECTURE SHEET (LEVEL - I) (MAIN) (EXERCISE - IV) (Straight Objective & More than one Correct Answer Type Questions)|20 Videos

Similar Questions

Explore conceptually related problems

A parallel capacitor of capacitance C is charged and disconnected from the battery. The energy stored in it is E . If a dielectric slab of dielectric constant 6 is inserted between the plates of the capacitor then energy and capacitance will become.

A parallel plate capacitor of capacitance 90 pF is connected to a battery of emf 20 V. If a dielectric material of dielectric constant K= (5)/(3) is inserted between the plates, the magnitude of the induced charge will be :

A parallel plate capacitor of capacitance 100 microfarad is connected a power supply of 200 V. A dielectric slab of dielectric constant 5 is now inserted into the gap between the plates. (a) Find the extra charge flown through the power supply and the work done by the supply. (b) Find the change in the electrostatic energy of the electric field in the capacitor.

A parallel - plate capacitor of plate area A and plate separation d is charged to a potential difference V and then the battery is disconnected . A slab of dielectric constant K is then inserted between the plate of the capacitor so as to fill the space between the plate .Find the work done on the system in the process of inserting the slab.

An air-cored parallel plate capacitor having a capacitance C is charged by connecting it to a battery. Now, it is disconnected from the battery and a dielectric slab of dielectric constant K is inserted between its plates so as to completely fill the space between the plates. Compare : (I) Initial and final capacitance (ii) Initial and final charge. (iii) Initial and final potential difference. (iv) Initial an final electric field between the plates. (v) Initial and final energy stored in the capacitor.

A parallel plate air capacitor has capacitance C. Half of space between the plates is filled with dielectric of dielectric constant K as shown in figure . The new capacitance is C . Then

A parallel plate capacitor of capacitance C (without dielectric) is filled by dielectric slabs as shown in figure. Then the new capacitance of the capacitor is

In the figure shown capacitors A and B of capacitance C are in steady state. A dielectric slab of dielectric constant K=2 and dimensions equal to the inner dimensions of the capcitors is inserted in the space between the plate of the capacitor B . In steady state choose the correct options.

A parallel plate capacitor of plate area A and plate separation d is charged to potential difference V and then the battery is disconnected. A slab of dielectric constant K is then inserted between the plates of the capacitor so as to fill the space between the plates. If Q, E and W denote respectively, the magnitude of charge on each plate, the electric field between the plates (after the slab is inserted), and work done on the system, in question, in the process of inserting the slab, then

A parallel plate air capacitor of capacitance C is connected to a cell of emF V and then disconnected from it. A dielectric slab of dielectric constant K , which can just fill the air gap of the capacitor, is now inserted in it. Which of the following is incorrect ?

AAKASH SERIES-CAPACITORS -ADDITIONAL PRACTICE EXERCISE (LEVEL - I (MAIN)(Straight Objective Type Questions)
  1. Three uncharged capacitors are connected across a battery as shown. It...

    Text Solution

    |

  2. The ratio between masses of two planets is 3 : 5 and the ratio between...

    Text Solution

    |

  3. If the area of each plate is A and then successive separations are d, ...

    Text Solution

    |

  4. The capacitor shown has square plates of side L and has gap d between ...

    Text Solution

    |

  5. Three large plates are arranged as shown. How much charge will flow th...

    Text Solution

    |

  6. In the circuit shown in figure charge stored in the capacitor of capac...

    Text Solution

    |

  7. Capacitor C1 is connected to a battery and charged till the magnitude ...

    Text Solution

    |

  8. When switch is closed , charges on C(1) and C(2) are

    Text Solution

    |

  9. The plates of a parallel plate capacitor have surface area .A. and are...

    Text Solution

    |

  10. Figure shows two identical parallel plate capacitors connected to a sw...

    Text Solution

    |

  11. In the given circuit, the potential difference across the 6muF capaci...

    Text Solution

    |

  12. In the given circuit find the |V(A) - V(B)| where V(A), V(B) are ele...

    Text Solution

    |

  13. Figure shows two identical parallel plate capacitors connected to a sw...

    Text Solution

    |

  14. Arrange the folloowing in decreasing order effective capacitor between...

    Text Solution

    |

  15. In the accompanying diagram , if C(1)=3muF,C(2)=6muF,C(3)=9muF,C(4)=12...

    Text Solution

    |

  16. Consider a capacitor as shown in figure. If we pull the plates of capa...

    Text Solution

    |

  17. An isolated capacitor of capacitance C is charged to a potential V. Th...

    Text Solution

    |

  18. then P and Q are respectively called as.

    Text Solution

    |

  19. Four capacitors are connected as shown in figure. Their capacities are...

    Text Solution

    |

  20. In the figure a capacitor of capacitance 2muF is connected to a cell ...

    Text Solution

    |