Home
Class 12
PHYSICS
When two identical capacitors are charge...

When two identical capacitors are charged individually to different potentials & then connected in parallel, after disconnecting from the source then

A

net charge on connected plates is less than the sum of initial individual charges.

B

net charge on connected plates equals the sum of initial charges

C

the net potential difference across them is different from the sum of the individual initial potential differences

D

the net energy stored in the two capacitors is less than the sum of the initial individual energies.

Text Solution

Verified by Experts

The correct Answer is:
B, C, D
Promotional Banner

Topper's Solved these Questions

  • Capacitance

    MOTION|Exercise EXERCISE -3 LEVEL 1|31 Videos

  • Capacitance

    MOTION|Exercise EXERCISE -3 LEVEL II|17 Videos

  • Capacitance

    MOTION|Exercise EXERCISE -2|36 Videos

  • CALORIMETRY

    MOTION|Exercise EXERCISE - 3 Section - B|4 Videos

  • CENTRE OF MASS

    MOTION|Exercise Exercise - 4 Level-II|20 Videos

Similar Questions

Explore conceptually related problems

Initially two capacitors are charged to different potential differences as shown in figure and then connected in parallel as shown. Which of the following is incorrect about this circuit?

N identical capacitors are connected in parallel which are charged to a potential V . If these are separated and connected in series then what potential difference will be obtained?

n identical capacitors are connected in parallel to a potential difference V . These capacitors are then reconnected in sereis, their charges being left undisturbed. The potential difference obtained is

Six identical capacitors are joined in parallel, charged to a potential difference of 10 V, separated and then connected in series. Then the potential difference between the free plates is

The enrgy of a charged capacitor is U. Another identical capacitor is connected parallel to the first capacitor, after disconnecting the battery. The total energy of the system of these capacitors will be

A parallel plate capacitor is charged to a potential difference V by a dc source. The capacitor is then disconnected from the source. If the distance between the plates in doubled, state with reason how the following will change, (i) electric field between the plates, (ii) capacitance and (iii) energy stored in the capacitor.

The space between the rectangular plates (with sides a and b ) of a parallel-plato capacitor (the distance between the plates is l) is filled with a solid dielectric whose dielectric constant is c. The capacitor is charged to a certain potential difference and disconnected from the voltage source. After that the dielectric is slowly moved out of the capacitor, which lTIOanS that the section x not filled with the dielectric gradually increases in size. How wi ll the potential difference between the plates and the surface charge densities on both parts of the capacitor (with and without the dielectric) change in the process?

Two identical air capacitors are connected in series. How will the charge on and potential difference across each capacitor change when the distance between the plates of one capacitor is increased in the following cases: when the capacitors are connected to a DC source, and when the capacitors are first charged and then disconnected from the DC source?

It is possible to obtain a large potential difference by charging a number of capacitors in parallel and then disconnecting them to connect them again in series. What maximum potetnial difference can be obtained using 10 capacitors each of 5 muF and a charging source of 400 V ?

MOTION-Capacitance -EXERCISE -2 LEVEL (II)
  1. Two capacitors of capacitances 1muF and 3muF are charged to the same v...

    Text Solution

    |

  2. A parallel-plate capacitor is connected to a cell. Its positive plate ...

    Text Solution

    |

  3. When two identical capacitors are charged individually to different po...

    Text Solution

    |

  4. Two capacitors of 2muF and 3muF are charged to 150 V and 120 V, respec...

    Text Solution

    |

  5. Two thin conducting shells of radii R and 3R are as shown in the fig. ...

    Text Solution

    |

  6. A circuit shown in the figure consists of a battery of emf 10V and two...

    Text Solution

    |

  7. Four capacitors and a battery are connected as shown in. If the potent...

    Text Solution

    |

  8. Identify the correct statements.

    Text Solution

    |

  9. The figure shows a arrangement of capacitors and a battery. If t...

    Text Solution

    |

  10. The figure shows a arrangement of capacitors and a battery. The ...

    Text Solution

    |

  11. The value of charge q1 ,q2 and q3 as shown in the figure are

    Text Solution

    |

  12. Two capacitors C1 = 4muF and C2 = 2muF are charged to same potential V...

    Text Solution

    |

  13. In the circuit shown each capacitor has a capcitance C. The emf of the...

    Text Solution

    |

  14. When a parallel plate capacitor is connected to a source of constant p...

    Text Solution

    |

  15. Following operations can be performed on a capacitor: X - connect the ...

    Text Solution

    |

  16. The capacitance of a parallel plate capacitor is C when the region bet...

    Text Solution

    |

  17. The plates of a parallel plate capacitor with no dielectirc are connec...

    Text Solution

    |

  18. A parallel plate capacitor A is filled with a dielectric whose dielect...

    Text Solution

    |

  19. The circuit shown in the figure consists of a battery of emf epsilon =...

    Text Solution

    |

  20. In the circuit shown in figure C(1) =C(2) = 2muF. Then charge stored i...

    Text Solution

    |