Home
Class 12
PHYSICS
Twenty seven charged water droplets each...

Twenty seven charged water droplets each with a diameter of 2mm and a charge of `10^-12C` coalesce to form a single drop. Calculate the potential of the bigger drop.

Promotional Banner

Topper's Solved these Questions

  • Electrostatics

    CHETANA PUBLICATION|Exercise Exercise|73 Videos

  • Electromagnetic Induction

    CHETANA PUBLICATION|Exercise EXERCISE|109 Videos

  • Kinetic Theory of Gases and Radiation

    CHETANA PUBLICATION|Exercise Exercise|110 Videos

Similar Questions

Explore conceptually related problems

One hundred twenty five small liquid drops, each carrying a charge of 0.5muC and each of diameter 0.1m form a bigger drop. Calculate the potential at the surface of the bigger drop.

n small drops of same size are charged to V volt each. If they coalesce to form a single large drop,then its potential will be

A regular hexagon of side 10 cm has a charge 5 mu C at each of its vertices. Calculate the potential at the centre of the hexagon.

Twenty seven droplets of water , each of radius 1.1 mm coalesce into a single drop .Find the change in surface energy. Surface tension of water is 0.072 N/m.

n droplets of equal size of radius r coalesce to form a bigger drop of radius R. The energy liberated is equal to

Two mercury drops each of radius r merge to form a bigger drop. Calculate the surface energy released.

Twenty seven droplets of water, each of radius 0.1 mm coalesce into a single drop. Find the change in surface energy. Surface tension of water is 0.072 N//m .

64 small drops of mercury, each of radius r and charge q, coalesce to form a big drop. The ratio of the surface density of charge of each small drop that of the big drop is

CHETANA PUBLICATION-Electrostatics-Exercise
  1. Two point charges 4muC and -2muC are separated by a distance of lm in ...

    Text Solution

    |

  2. The electric field at a point due to a point charge is 60 N//C and the...

    Text Solution

    |

  3. Twenty seven charged water droplets each with a diameter of 2mm and a ...

    Text Solution

    |

  4. Two point charges + 0.2muC and 0.01muC are placed 10cm apart. Calculat...

    Text Solution

    |

  5. The kinetic energy of a charged particle decreases by 10J as it moves ...

    Text Solution

    |

  6. The capacity of a capacitor becomes 20muF when gap between the capacit...

    Text Solution

    |

  7. Calculate the energy stored in a capacitor of 6muF when it is charged ...

    Text Solution

    |

  8. A 800 muF capacitor is charged by a 100V battery. After some time, the...

    Text Solution

    |

  9. Net capacitance of three identical capacitors in series is 1muF. What ...

    Text Solution

    |

  10. The capacity of a parallel plate air condenser is 8 muF. When air is r...

    Text Solution

    |

  11. Calculate the capacity of a sphere of radius 1000m.

    Text Solution

    |

  12. Two capacitors each of capacitance 5muF and a battery of emf 240 volt....

    Text Solution

    |

  13. Figure shows a network of five capacitors connected to a 100V supply. ...

    Text Solution

    |

  14. Net capacitance of three identical capacitors in series is 1muF. What ...

    Text Solution

    |

  15. Capacity of a capacitor is 3muF. A slab of dielectric constant 4 is in...

    Text Solution

    |

  16. Select and write the most appropriate answer from the given alternativ...

    Text Solution

    |

  17. Theelectricfield near a conductingsurfacehaving a uniform surface char...

    Text Solution

    |

  18. Two plates are 1.5 cm apart, and a potential difference of 7.5 volt is...

    Text Solution

    |

  19. Two charges +q and -q are situated at a certain distance. At the point...

    Text Solution

    |

  20. At a certain distance from a point charge the electric potential is 20...

    Text Solution

    |