Home
Class 12
PHYSICS
A metal plate of thickness half the sepa...

A metal plate of thickness half the separation between the capacitor plates of capacitance `C` is inserted. The new capacitance is.

A

`C`

B

`2C`

C

`3C`

D

`4C`

Text Solution

Verified by Experts

The correct Answer is:
B
`C'=(Ain_(0))/(d-t+(t)/(K))=(Ain_(0))/(d-(d)/(2)+(d//2)/(oo))=(2Ain_(0))/(d)=2C`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Two metal plates are separated by a distance d in a parallel plate condenser. A metal plate of thickness t and of the same area is inserted between the condenser plates. The value of capacitance increases by ….times.

A metal foil of negligible thickness is introduced between the two plates of a capacitor at the centre. The capacitance of capacitor will be

If a thin metal foil of same area is placed between the two plates of a parallel plate capacitor of capacitance C, then new capacitance will be

A metal foll of negative thickness is intorduced between two plates of a capacitor at the center. What will be the new capacitance of the capacitance ?

A sheet of aluminium foil of negligible thickness is placed between the plates of a capacitor of capacitance C as shown in the figure then capacitance of capacitor becomes

Two metal plates form a parallel plate capacitor. The distance between the plates is d. A metal sheet of thickness d/2 and of the same area is indroduced between the plates. What is the ratio of the capacitances in the two cases?

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.

parallel plate capacitor has capacitance C when no dielectric between thw plates. Now a slab of dielectric constant K , having same thickness as the separation between the plates is introduced so as to fill one-fourth of the capacitor as shown in the figure. the new capacitance will be

For changing the capacitance of a given parallel plate capacitor, a dielectric material of dielectric constant K is used, which has the same area is the plates of the capacitor. The thick of the directrie slab is (3)/(4)d, where ‘d’ is the separation between the plates of parallel plate capacite. The new capacitance (C') in terms of original capacitance (C _(0)) is given by the following relation:

CP SINGH-CAPACITANCE-Exercise
  1. The plates of a parallel plate capacitor are pulled apart with a veloc...

    Text Solution

    |

  2. A parallel plate capacitor has a plate separation of 2mm and use a die...

    Text Solution

    |

  3. A metal plate of thickness half the separation between the capacitor p...

    Text Solution

    |

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

    Text Solution

    |

  5. n idential capacitors each of capacitance C when connected in series g...

    Text Solution

    |

  6. Three capacitors each of capacity 4 muF are to be connected in such a ...

    Text Solution

    |

  7. In how many ways one can arrange three idential capacitors taking eith...

    Text Solution

    |

  8. Consider three capacitors of capacitance C(1),C(2) and C(3). If C(1), ...

    Text Solution

    |

  9. A series combination of n(1) capacitors, each of value C(1), is charge...

    Text Solution

    |

  10. The voltage of clouds is 4 xx 10^(6) V with respect to ground. In a li...

    Text Solution

    |

  11. In an isolated parallel plate capacitor of capacitance C, the plates h...

    Text Solution

    |

  12. In an isolated parallel plate capacitor of capacitancee C, the four su...

    Text Solution

    |

  13. Minimum number of capacitors of 4muF capacitance each required to obta...

    Text Solution

    |

  14. A parallel plate air capacitor has a capacitance C. When it is half fi...

    Text Solution

    |

  15. A parallel plate capacitor with air between the plates has capacitance...

    Text Solution

    |

  16. A parallel plate capacitor with vacuum between its plates has capacita...

    Text Solution

    |

  17. In the following circuit, the resultant capacitance between A and B is...

    Text Solution

    |

  18. A finite ladder is constructed by connecting several sections of 3 muF...

    Text Solution

    |

  19. Two spherical conductors A and B radii r and R(Rgtr) are placed in air...

    Text Solution

    |

  20. Consider the following diagram, consider the following statements ...

    Text Solution

    |