Home
Class 11
PHYSICS
A capacitor of 6mu F is charged to such ...

A capacitor of `6mu F` is charged to such an extent that the potential difference between the plates becomes 50V. The work done in this process will be

A

`7.5xx10^(-2)J`

B

`7.5xx10^(-3)J`

C

`3xx10^(-6)J`

D

`3xx10^(-3)J`

Text Solution

Verified by Experts

The correct Answer is:
B

`W=1/2 CV^(2)=1/26xx(50)^(2)xx10^(-6) =7.5xx10^(-3) J`
Promotional Banner

Topper's Solved these Questions

  • CALORIMETRY AND THERMAL EXPANSION

    RESONANCE|Exercise Advanced Level Problems|13 Videos
  • CENTRE OF MASS

    RESONANCE|Exercise Exercise|44 Videos

Similar Questions

Explore conceptually related problems

A capacitor of 8mu F is charged to a potential of 1000 V.The energy stored in the capacitor is ......

A parallel plate capacitor is charged to a potential difference of 50V. It is discharged through a resistance. After 1 second, the potential difference between plates becomes 40V. Then

A battery is used to charge a parallel plate capacitor till the potential differece between the plates becomes equal to the electromotive force of the battery. The ratio of the energy stored in the capacitor and the work done by the battery will be

A parallel plate capacitor with air between the plates is charged to a potential difference of 500 V and then insulated. A plastic plate is inserted between the plates filling the whole gap. The potential difference between the plates now becomes 75V. The dielectric constant of plastic is

In a parallel plate capacitor of capacitor 1muF two plates are given charges 2muC and 4muC the potential difference between the plates of the capacitor is

A capacitor has a capacitance of 8.5muF . How much charge must be removed so as to reduce the potential difference between its plates by 50V?

The plates of a parallel plate capacitor are charged to a potential difference of 117 V and then connected across a resistor. The potential difference across the capacitor decreases exponentially with to time.After 1s the potential difference between the plates is 39 V, then after 2s from the start, the potential difference (in V) between the plates is

A parallel plate capacitor whose capacitance C is 13.5 pF is charged by a battery to a potential difference V=12.5V between its plates. The charging battery is now disconnected, and a porcelain slab (k=6.50) is slipped between the plates. (a) What is the potential energy of the capacitor before the slab is inserted? (b) What is the potential energy of the capacitor slab device after the slab is inserted?

RESONANCE-CAPACITOR-Exercise
  1. A parallel plate air capacitor is charged to a potential difference of...

    Text Solution

    |

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

    Text Solution

    |

  3. A capacitor of 6mu F is charged to such an extent that the potential d...

    Text Solution

    |

  4. What fraction of the energy drawn from the charging battery is stored ...

    Text Solution

    |

  5. How do adjust three capacitors to get high energy on same potential

    Text Solution

    |

  6. A 10V battery is connected to two capacitors C1 and C2 and a resistor ...

    Text Solution

    |

  7. In the diagram shown find the potential difference between the points ...

    Text Solution

    |

  8. Two capacitors A and B are connected in series with a battery as shown...

    Text Solution

    |

  9. Two capacitors of 2mu F and 3mu F are connected in series. The potenti...

    Text Solution

    |

  10. The capcity of a parallel plate condenser is 10 muF, when the distance...

    Text Solution

    |

  11. Four metallic plates arearrranged as shown in the figure. If the dista...

    Text Solution

    |

  12. For the circuit shown in figure, the equivalent capacitance of the com...

    Text Solution

    |

  13. Three capacitors are connected as shwn in. Then, the charge on capacit...

    Text Solution

    |

  14. In the combination shown in the figure, the ideal voltmeter reading wi...

    Text Solution

    |

  15. If a thin metal foil of same area is placed between the two plates of ...

    Text Solution

    |

  16. The equivalent capacitance of the circuit shown, between points A and ...

    Text Solution

    |

  17. In the figure shown, the effective capacitance between the points A an...

    Text Solution

    |

  18. In the circuit shown in figure, each capacitor has a capacity of 3 muF...

    Text Solution

    |

  19. The equivalent capacitance in the circuit shown in figure will be

    Text Solution

    |

  20. What is the effective capacitance between A and B in the following fig...

    Text Solution

    |