Home
Class 12
PHYSICS
Two parallel plate air filled capacitors...

Two parallel plate air filled capacitors, each of capacitacne `C` are joinied to a source of constant `e mF V` as shown in figure. The plate `A` is earthed. Plates `B` and `C` are connected together. Plate `D` is connected to the positive pole of the battery whose negative is earthed. the combined capacitance of the arrangement is

A

`2C`

B

`C`

C

`C//2`

D

`3C`

Text Solution

Verified by Experts

The correct Answer is:
C

The two capacitors are connected in series. The combined capacitance of this arrangement is `C//2`.
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC POTENTIAL & CAPACITANCE

    A2Z|Exercise Assertion Reason|8 Videos
  • ELECTRIC CHARGE, FIELD & FLUX

    A2Z|Exercise Section D - Chapter End Test|29 Videos
  • ELECTROMAGNETIC INDUCTION

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

Two circular plates A and B of a parallel plate air capacitor have a diameter of 0.1m and are 2xx10^(-3) m apart. The plates C and D , of a similar capacitor have a diameter of 0.12m and are 3xx10^(-3)m apart. Plate A is earthed and plates B and D are connected together as shown in figure. Plate C is connected to the positive pole of a 120V battery whose negative terminal is earthed. Calculate. (a) the combined capacitance of the arrangement and (b) the energy stored in it.

The circular plates A and B of a parallel plate air capacitor have a diameter of 0.1 m and are 2 xx 10^(-3) m apart. The plates C and D of a similar capacitor have a diameter of 0.12 m and are 3 xx 10^(-3)m apart. Plate A is earthed. Plates B and D are connected together. Plate C is connected to the positive pole of a 120V battery whose negative is earthed. The energy stored in the system is

When a parallel plate capacitor is connected to a source of constant potential difference

Two parallel plate capacitors of capacitances 1 pF and 2 pF are connected to the batteries of 100 V and 150 V as shown in the figure (r ). Calculate the potential difference across each capacitor.

A parallel plate air-core capacitro is connected across a source of constant potential difference. When a dielectirc plate is introudced between the two plates then:

Two parallel plate air filled capacitors each of capacitance C, are joined in series to a battery of emf V. The space between the plates of one of the capacitors is then completely filled up with a uniform dielectric having dielectric constant K. The quantity of charge which flows through the battery is -

Three capacitors of capacitances 2 muF , 3mu F and 6muF are connected in series with a 12 V battery. All the connecting wire are disconnected, the three positive plates are connected together and the three negative plates are connected together. Find the charges on the three capacitors after the reconnection.

A radio capacitor of variable capacitance is made of n parallel plates each of area A and separated from each other by a distanced. The alternate plates are connected together. The capacitance of the combination is.

Two parallel plate capacitors are filled with dielectrics and connected speparately across same potential difference as shown in figure. Their plate area is A and separation between plates is 'd' . Then the ration of energy stored is:

A2Z-ELECTRIC POTENTIAL & CAPACITANCE-Section D - Chapter End Test
  1. Figure shown two equipotential lies x, y plane for an electric field. ...

    Text Solution

    |

  2. An electric dipole is placed along the X-axis O. Point P is at a dista...

    Text Solution

    |

  3. An electric field is given by E(x) = - 2x^(3) kN//C. The potetnial of ...

    Text Solution

    |

  4. All six capacitors shown are identical. Each can withstand maximum 200...

    Text Solution

    |

  5. Two identical parallel plate capacitors are connected in series to a b...

    Text Solution

    |

  6. Five capacitors of 10 muf capacity each are connected to a.d.c potenti...

    Text Solution

    |

  7. A frictionless dielectric plate S is kept on a frictionless table T. A...

    Text Solution

    |

  8. The mean electric energy density between the plates of a charged capac...

    Text Solution

    |

  9. The potentials of the two plates of capacitor are +10V and -10 V. The ...

    Text Solution

    |

  10. Two dielctric slabs of constant K(1) and K(2) have been filled in betw...

    Text Solution

    |

  11. Two parallel plate air filled capacitors, each of capacitacne C are jo...

    Text Solution

    |

  12. Four very large metal plates are given charges as shown in figure. The...

    Text Solution

    |

  13. In, the initial status of capacitors and their connections is show. Wh...

    Text Solution

    |

  14. A charge +q is carried from point A( r, 135^(@)) to point B(r, 45^(@))...

    Text Solution

    |

  15. The electric potential V in volts in a region of space is given by V =...

    Text Solution

    |

  16. Find the ratio of electric work done in bringing a charge q from A to ...

    Text Solution

    |

  17. find the work done by an external agent in slowly shifting a charge q ...

    Text Solution

    |

  18. Five identical capacitor paltes, each of area A, are arranged such tha...

    Text Solution

    |

  19. Assertion: Electrons move away from a low potential to high potential ...

    Text Solution

    |

  20. Assertion: If the distance between parallel plates of a capacitor is h...

    Text Solution

    |