Home
Class 12
PHYSICS
The space between parallel plates of a p...

The space between parallel plates of a parallel plate capacitor `C` is filled with a oil of dielectric constant k = 2. If the oil is removed, then what will be the capacitance of the capacitor—

A

`sqrt2 C`

B

2 C

C

`C/sqrt2`

D

`C/2`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MODEL PAPER SET-04

    UNITED BOOK HOUSE|Exercise EXERCISE|39 Videos
  • MODEL PAPER SET-06

    UNITED BOOK HOUSE|Exercise EXERCISE|45 Videos

Similar Questions

Explore conceptually related problems

Find the capacitance of a parallel plate capacitor.

Half of the space between the plates of a parallel-plate capacitor is filled with a dielectric material of dielectric constant K. The remaining halt contains air as shown in the figure. The capacitor is now given a charge Q. Then

The capacitance of a parallel plate capacitor depends on

What is an equipotential between the plates of a parallel plate capacitor.

Two parallel plate capacitors of capacity C and 2C are connected in parallel and charged to a potential difference V. The battery is then disconnected and the space between the plates of the capacitor C is completely filled with a material of dielectic constant K. What is the final potential difference across the capacitors?

The space between the two plates of a parallel plate air capacitor is filled with an insulator. What will be the nature of change of its capacitance?

Statement I: If the distance between the parallel plates of a capacitor is halved and dielectric constant is made three times the capacitance becomes 6 times. Statement II: Capacitance of the capacitor does not depend on the nature of the material of the plates of the capacitor.

The figure shows two identical parallel plate capacitor connected to a battery with the switch S closed. The switch is now opened and the free space between the plates of the capacitor is filled with a dielectric of dielectric constant 3. Find the ratio of the total electrostatic energy stored in both capacitors before and after the introduction of the dielectric.

A parallel plate capacitor with oil(K=2) has a capacitance C. If the oil is removed, then the capacity of the capacitor becomes

UNITED BOOK HOUSE-MODEL PAPER SET-05-EXERCISE
  1. A cube of length L is placed in a uniform electric field E. If two sur...

    Text Solution

    |

  2. The space between parallel plates of a parallel plate capacitor C is f...

    Text Solution

    |

  3. The equivalent resistance between A and B is in the figure given—

    Text Solution

    |

  4. The r.m.s. value of current i = (4 + 10 sin 100 pit) A is—

    Text Solution

    |

  5. The energy of infrared ray is greater than—

    Text Solution

    |

  6. A object is moving towards a fixed concave mirror of focal length f = ...

    Text Solution

    |

  7. The radius of curvature of convex surface of a piano convex is.15 cm a...

    Text Solution

    |

  8. The maximum kinetic energy of photo electron emitting' from a metallic...

    Text Solution

    |

  9. What parts of a radioactive element is disintegrated in its average li...

    Text Solution

    |

  10. The value of a of a common base amplifier is 0.98. If the change of em...

    Text Solution

    |

  11. Mobile phone acts in the frequency limit of

    Text Solution

    |

  12. What is current sensitivity of a galvanometer?

    Text Solution

    |

  13. A coil has a number of turns n and area A. It is placed at an angle 60...

    Text Solution

    |

  14. What is,the percentage of r.m.s. value of an a.c. current with respect...

    Text Solution

    |

  15. Convert (110111)2 into decimal number.

    Text Solution

    |

  16. Substract following in 1 s complement method 1101-1010=?

    Text Solution

    |

  17. Show that to get maximum power in an electrical circuit the external r...

    Text Solution

    |

  18. There are n number of cells each of resistance R. When they are connec...

    Text Solution

    |

  19. The internal resistance of a battery of e.m.f. 100 Vis 4 Omega. A volt...

    Text Solution

    |

  20. A plane electromagnetic wave of frequency 25 Hz is moving along. x dir...

    Text Solution

    |