Home
Class 12
PHYSICS
If the distance between the plates of pa...

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

A

Decreases two times

B

Increases two times

C

Increases four times

D

Remains the same

Text Solution

Verified by Experts

The correct Answer is:
C
`d. =d//2 ,k. =2k`
`C. =(Aepsilon_0(2k))/(d//2)=(4Aepsilon_0)/d=4C`
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Grouping of Capacitors)|58 Videos

  • ELECTROSTATICS

    ERRORLESS|Exercise PAST YEARS QUESTIONS|56 Videos

  • ELECTROSTATICS

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Electric Flux and Gauss.s Law)|27 Videos

  • ELECTRONICS

    ERRORLESS|Exercise Assertion & Reason|26 Videos

  • MAGNETIC EFFECTS OF CURRENT

    ERRORLESS|Exercise ASSERTION & REASON |18 Videos

Similar Questions

Explore conceptually related problems

Assertion (A): When the distance between the parallel plates of a parallel plate capacitor is halved and the dielectric constant of the dielectric used is made three times, then the capacitance becomes three times. Reason (R ): Capacitance does not depend on the nature of material.

Parallel Plate Capacitors with and without Dielectric

Assertion : If the distance between parallel plates of a capacitor is halved and dielectric constant is made three times, then the capacitance becomes 6 times. Reason : Capacity of the capacitor depends upon the nature of the material between the plates.

Assertion: If the distance between parallel plates of a capacitor is halved and dielectric constant is made three times, then the capacitor becomes 6 times. Reason: Capacity of the capacitor does not depend upon the nature of the meterial.

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

When air in between the plates of a capacitor is replaced by mica of dielectric constant 6, its capacity

The capacity of a parallel plate condenser with dielectric constant 10 is 16xx10^(-6)F . If the dielectric is removed, then the new capacity will be

ERRORLESS-ELECTROSTATICS-NCERT BASED QUESTIONS (Capacitance)
  1. A charge of 40 mu C is given to a capacitor having capaci...

    Text Solution

    |

  2. The electric field between the plates of a parallel plate capacitor is...

    Text Solution

    |

  3. If the distance between the plates of parallel plate capacitor is halv...

    Text Solution

    |

  4. A parallel plate capacitor of capacity C(0) is charged to a potential ...

    Text Solution

    |

  5. A capacitor of capacitance C(0) is charged to a potential V(0) and is ...

    Text Solution

    |

  6. A parallel plate capacitor has an electric field of 10^(5)V//m between...

    Text Solution

    |

  7. The capacitance of a metallic sphere will be 1muF, if its radius is ne...

    Text Solution

    |

  8. Two conducting spheres of radii r(1) and r(2) having charges Q(1) and ...

    Text Solution

    |

  9. A cylindrical capacitor has charge Q and length L. If both the charge ...

    Text Solution

    |

  10. Conducting sphere of radius R(1) is covered by concentric sphere of ra...

    Text Solution

    |

  11. Two spherical conductors A and B of radii a and b (b gt a) are placed ...

    Text Solution

    |

  12. A capacitor is charged by using a battery which is then disconnected. ...

    Text Solution

    |

  13. A parallel plate capacitor is charged and the charging battery is then...

    Text Solution

    |

  14. A system is shown in the figure. The time period for small oscillation...

    Text Solution

    |

  15. A parallel plate capacitor is charged by connecting it to a battery. T...

    Text Solution

    |

  16. An uncharged capacitor is connected to a battery. On charging the capa...

    Text Solution

    |

  17. In a parallel plate capacitor of capacitance C, a metal sheet is inser...

    Text Solution

    |

  18. In a capacitor of capacitance 20 muF,the distance between the plates i...

    Text Solution

    |

  19. A parallel plate capacitor has plate area A and separation d. It is ch...

    Text Solution

    |

  20. If n drops, each of capacitance C and charged to a potential V, coales...

    Text Solution

    |