Home
Class 12
PHYSICS
A parallel plate capacitor has a capacit...

A parallel plate capacitor has a capacity C. The separation between plates is doubled and a dielectric medium is inserted between plates. The new capacity is 3C. The dielectric constant of medium is

A

1.5

B

3

C

6

D

12

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • 10 ROTATIONAL

    MOTION|Exercise Example 31|1 Videos
  • 10 ROTATIONAL

    MOTION|Exercise Exercise - 1|77 Videos
  • ALTERNATING CURRENT

    MOTION|Exercise EXERCISE - 4 (LEVEL - II)|14 Videos

Similar Questions

Explore conceptually related problems

A parallel plate capacitor has a capacity C. The separation between the plates is doubled and a dielectric medium is introduced between the plates. If the capacity now becomes 2C, the dielectric constant of the medium is

AN air filled parallel plate capacitor has a capacitance of 2.1 pF. The separation of the plates is doubled, and wax is inserted between them . The new capacitance is 2.6 p F Find the dielectric constant of the wax.

A parallel plate air capacitor has a capacity of 2 pF. If the separation between its plates is doubled and a mica sheet is introduced between its plates, its capacity becomes 6 pF. What is the dielectric constant of mica?

There is an airfilled capacitor of capacity C. when the plate separation is doubled and a dielectric is introduced between the plates, the capacitance becomes 2 C. the dielectric constant of the dielectric is

A parallel plate air capacitor has capacitance 18 mu F. If the distance between the plates is tripled and dielectric medium is introduced the capacitance becomes 72 mu F. The dielectric constant of the medium is :-

An air filled parallel capacitor has capacity of 2pF. The separation of the plates is doubled and the interspaces between the plates is filled with wax. If the capacity is increased to 6pF, the dielectric constant of was is

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

A capacitor has a capacity C, when air is present between the two plates. If a dielectric of value k is placed between the plates, the new capacity C will be equal to

MOTION-10 ROTATIONAL-Exercise - 4 (Level - II)
  1. A parallel plate capacitor has a capacity C. The separation between pl...

    Text Solution

    |

  2. A block of mass m is held fixed against a wall by a applying a horizon...

    Text Solution

    |

  3. A disc has mass 9 m. A hole of radius R/3 is cut from it as shown in t...

    Text Solution

    |

  4. A particle moves in circular path with decreasing speed. Which of the ...

    Text Solution

    |

  5. A wooden log of mass M and length L is hinged by a frictionless nail a...

    Text Solution

    |

  6. A cylinder of mass m and radius R rolls down an inclined plane of incl...

    Text Solution

    |

  7. Two identical ladders, each of mass M and length L are resting on the ...

    Text Solution

    |

  8. A solid sphere of mass M, radius R and having moment of inertia about ...

    Text Solution

    |

  9. A solid cylinder of mass m and radius r is rolling on a rough inclined...

    Text Solution

    |

  10. A ball moves over a fixed track as shown in the figure. From A to B ba...

    Text Solution

    |

  11. A rectangular plate of mass M and dimension axxb is held in horizonta...

    Text Solution

    |

  12. Two discs A and B are mounted coaxially ona vertical axle. The discs h...

    Text Solution

    |

  13. Two discs A and B are mounted coaxially ona vertical axle. The discs h...

    Text Solution

    |

  14. Two discs A and B are mounted coaxially ona vertical axle. The discs h...

    Text Solution

    |

  15. A small object of uniform density rolls up a curved surface with an in...

    Text Solution

    |

  16. Satement-1: if there is no external torque on a body about its centre ...

    Text Solution

    |

  17. Two cylinders, one hollow (metal) and the other solid (wood) with the ...

    Text Solution

    |

  18. A uniform thin cylindrical disk of mass M and radius R is attaached to...

    Text Solution

    |

  19. A uniform thin cylindrical disk of mass M and radius R is attaached to...

    Text Solution

    |

  20. A uniform thin cylindrical disk of mass M and radius R is attaached to...

    Text Solution

    |

  21. If the resultant of all the external forces acting on a system of part...

    Text Solution

    |