Home
Class 12
PHYSICS
A 100muF capacitor is charged to 100 V. ...

A `100muF` capacitor is charged to 100 V. After the charging, battery is disconnected. The capacitor is then connected in parallel to another capacitor. The final voltage is 20 V. The capacity of second capacitor is

A

`100muF`

B

`200muF`

C

`300muF`

D

`400muF`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    PATHFINDER|Exercise QUESTION BANK|50 Videos

  • MAGNETIC EFFECT OF CURRENT AND ELECTROMAGNETISM-I,II AND III

    PATHFINDER|Exercise QUESTION BANK|213 Videos

Similar Questions

Explore conceptually related problems

A 900pF capacitor is charged to 100V by a battery. How much energy is stored in the capacitor?

A 900 pF capacitor is charged by a 100 V battery. The capacitor is disconnected from the battery and is then connected to another 900 pF capacitor. What is the electrostatic energy stored by the system?

A 900 pF capacitor is charged by a 100 V battery. How much electrostatic energy is stored in the capacitor?

A capacitor is charged with a battery and then disconnected. A dielectric slab is then inserted between the plates. How are the Capacitance.

A capacitor of capacitance C is charged to a potential difference V_0 . The charging battery is disconnected and the capacitor is connected to a capacitor of unknown capacitance C_x . The potential difference across the combination is V. The value of C_x should be

A parallel plate capacitor is charged and the charging battery is disconnected. If the plates of the capacitor are moved further apart by means of insulating handles. Then

The charge stored in 2muF capacitor is

A capacitor is charged with a battery and then disconnected. A dielectric slab is then inserted between the plates. How are the Charge.

A 2muF capacitor is charged to a potential of 20V. Another 3muF uncharged capacitor is connected in parallel with the first capacitor. What would be the terminal potential difference of the combination? Find out the charges on the two capacitors?

A 4muF capacitor is charged to a 200V supply. It is then disconnected from the supply and is connected to another uncharged 2muF capacitor. How much electrostatic energy of the first capacitor is lost in the form of heat and electromagnetic radiation ?

PATHFINDER-ELECTROSTATICS-I, II AND III-QUESTION BANK
  1. The charge stored in the capacitor is

    Text Solution

    |

  2. A 1muC capacitor and 2muF capacitor are connected in series across a ...

    Text Solution

    |

  3. A 100muF capacitor is charged to 100 V. After the charging, battery is...

    Text Solution

    |

  4. For the circuit shown in figure, the steady state current through each...

    Text Solution

    |

  5. In the circuit shown in figure, the battery is an ideal one, w/The emf...

    Text Solution

    |

  6. A 2muF capacitor is charged as shown in the figure. The percentage of...

    Text Solution

    |

  7. A parallel combination of 0.1 mOmega resistor and 10muF capacitor is c...

    Text Solution

    |

  8. A glass rod rubbed with silk is brought close to two uncharged metalli...

    Text Solution

    |

  9. A glass rod rubbed with silk is brought close to two uncharged metalli...

    Text Solution

    |

  10. A glass rod rubbed with silk is brought close to two uncharged metalli...

    Text Solution

    |

  11. Two large conducting spheres carrying charges Q1 and Q2 are brought ...

    Text Solution

    |

  12. Acomb runs through one's dry hair and attracts small bits of paper. Wh...

    Text Solution

    |

  13. Vehicles carrying inflammable materials usually have metallic ropes to...

    Text Solution

    |

  14. A charged particle is free to move in an electric field. Will it alway...

    Text Solution

    |

  15. How much positive and negative charge is there in a cup of water ? Giv...

    Text Solution

    |

  16. Coulomb’s law for electrostatic force between two point charges and Ne...

    Text Solution

    |

  17. Coulomb’s law for electrostatic force between two point charges and Ne...

    Text Solution

    |

  18. Coulomb’s law for electrostatic force between two point charges and Ne...

    Text Solution

    |

  19. Consider the charges q, q and -q placed at the vertices of an equilat...

    Text Solution

    |

  20. The electrostatic force on a small sphere of charge 0.4muC due to anot...

    Text Solution

    |