Home
Class 12
PHYSICS
If the plates of a capacitor are joined ...

If the plates of a capacitor are joined together by as conducting wire, then its capacitance

A

`(c)/(2)`

B

`2C`

C

`0`

D

`oo`

Text Solution

Verified by Experts

The correct Answer is:
D

After connection,`p.d`. Between plates `= 0`
Capacitance=`prop, (C'prop(1)/(V))`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Statement-1: If the plates of a capacitor are connected through a conducting wire, then its capacitance becomes infinite. Statement-2: The capacitors cannot be charged.

In above problem if foil is connected to any one plate of capacitor by means of conducting wire then capacitance of capacitor becomes -

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

A parallel plate capacitor of capacitance C has been charged, so that the potential difference between its plates is V. Now, the plates of this capacitor are connected to another uncharged capacitor of capacitance 2C. Find the common potential acquired by the system and loss of energy.

Assertion: Id distance between the parallel plates of a capacitor is halved, then its capacitance is doubled. Reason: The capacitance depends on the introduced dielectric.

A flat metallic plate and another cap-shaped metallic plate are placed together to form a capacitor as shown in the adjoining figure. Calculate the capacitance of the combination, if plate separation and area of the plates are as shown in the figure (m).

A parallel plate capacitor is filled with dielectrics as shown in Fig. What is its capacitance ?

A copper plate of thickness b is placed inside a parallel plate capacitor of plate distance d and area A as shown in figure. The capacitance of capacitor is

CP SINGH-CAPACITANCE-Exercise
  1. The capacity of a parallel plate capacitor with no dielectric substanc...

    Text Solution

    |

  2. Force acting upon charged particle kept between the plates of a charge...

    Text Solution

    |

  3. If the plates of a capacitor are joined together by as conducting wire...

    Text Solution

    |

  4. The plates of a parallel plate capacitor are pulled apart with a veloc...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |