Home
Class 12
PHYSICS
Each of 125 water drops of radius 0.9 mm...

Each of 125 water drops of radius 0.9 mm is at a potential of 10 V. If they coalesce to form a bigger drop, what will be its capacitance and potential?

Text Solution

Verified by Experts

`0.5 pF,250V`
Promotional Banner

Topper's Solved these Questions

  • CAPACITANCE AND CAPACITOR

    CHHAYA PUBLICATION|Exercise PROBLEM SET - II|29 Videos
  • CAPACITANCE AND CAPACITOR

    CHHAYA PUBLICATION|Exercise HOTS NUMERICAL PROBLEMS|19 Videos
  • CAPACITANCE AND CAPACITOR

    CHHAYA PUBLICATION|Exercise SHORT ANSWER TYPE QUESTIONS- II|15 Videos
  • ATOMIC NUCLEUS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|14 Videos
  • COMMUNICATION STSTEM

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|28 Videos

Similar Questions

Explore conceptually related problems

Each of 27 identical mercury drops is charged to a potential of 10V. If the drops coalesce to form a big drop, what will be its potential? Calculate the ratio of the energy of the big drop to that of a small drop.

The diameter of a spherical liquid drop is 2 mm and its charge is 5 xx 10^(-6) esu. If two such liquid drops coalesce to form a bigger drop, what will be the potential on its surface ?

The diameter of a spherical liquid drop is 2 mm and it has 10^(-15)C of charge. If two such liquid drops coalesce to form a bigger drop, what will be the potential on the surface of this drop?

n small drops of the same size are initially at the same potential. They coalesce to form a big drop. What is the ratio of the capacitance of this big drop to that of any of this small drops?

A spherical drop of water carries a charge of 10xx10^(-12) C and has a potential of 100 V at its surface. If eight such charged drops combine to form a single drop, what will be the potential at the surface of the new drop?

A bubble is charged to have potential of 36V. if the radius is dobled then what will be its potential?

If a capacitor is used under a potential difference of 1200 V to store an energy of 24 watt-hour, what will be its capacitance?

1000 drops of water of radius 1 cm each carrying a charge of 10 esu combine to form a single drop. The capacitance increases thereby

1000 drops of water of radius 1 cm each carrying a charge of 10 esu combine to form a single drop. The capacitance increases thereby

n identical droplets are charged to v volt each. If they coalesce to form a single large drop, then its potential will be:

CHHAYA PUBLICATION-CAPACITANCE AND CAPACITOR-PROBLEM SET - I
  1. The capacitance of a conducting sphere is 10muF. It is charged with -2...

    Text Solution

    |

  2. To increase the potential of a conductor by 500 V , a charge of 5xx10^...

    Text Solution

    |

  3. Each of 125 water drops of radius 0.9 mm is at a potential of 10 V. If...

    Text Solution

    |

  4. Two spheres of radii 2 cm and 8 cm are charged equally with an amount...

    Text Solution

    |

  5. A sphere of radius 8 cm is charged with 10^(-8)C. It is then connected...

    Text Solution

    |

  6. The radii of two spheres are 10 cm and 40 cm , and their potentials ar...

    Text Solution

    |

  7. Two capacitors, each of capacitance C, are at potentials V1" and "V2, ...

    Text Solution

    |

  8. A 4muF capacitor is connected to a 400 V supply. It is then disconncec...

    Text Solution

    |

  9. Two charges of +40 esu and -35 esu separated by a distance of 10 cm, e...

    Text Solution

    |

  10. The area of each plate of a parallel plate capacitor is 500 cm^2. The ...

    Text Solution

    |

  11. The diameter of each of plate of a parallel plate air capacitor is 0.0...

    Text Solution

    |

  12. A parallel plate air capacitor has a capacitance of 1muF. The surface ...

    Text Solution

    |

  13. Two parallel air capacitors have their plate areas 100 cm^2" and "500 ...

    Text Solution

    |

  14. Two dielectric slabs of dielectric constants k1" and "k2 fill up the s...

    Text Solution

    |

  15. Compare the equivalent capacitances of two capacitors of capacitances ...

    Text Solution

    |

  16. Find out the equivalent capacitance between P and Q for the connection...

    Text Solution

    |

  17. Two capacitors of capacitances 0.5 mu F and 0.75 mu F are connected i...

    Text Solution

    |

  18. An adequate number of circular metal plates of diameter 0.2 m and a ...

    Text Solution

    |

  19. The capacitances of three capacitors are in the ratio of 1 : 2 : 3. Th...

    Text Solution

    |

  20. Three capacitors, each of 3 mu F, are connected in series, This combin...

    Text Solution

    |