Home
Class 12
PHYSICS
There are 27 drops of a conducting fluid...

There are `27` drops of a conducting fluid. Each has a radius r and they are charged to a potential `V_(0)`. They are then combined to form a bigger drop. Find its potential.

A

`V_(0)`

B

`3V_(0)`

C

`9V_(0)`

D

`29V_(0)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE -IV ELECTRIC POTENTIAL & POTENTIAL ENERGY) (LEVEL - II (ADVANCED) STRAIGHT OBJECTIVE TYPE QUESTION)|28 Videos
  • ELECTROSTATICS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE -IV ELECTRIC POTENTIAL & POTENTIAL ENERGY) (LEVEL - II (ADVANCED) MORE THAN ONE CORRECT ANSWER TYPE QUESTION)|1 Videos
  • ELECTROSTATICS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE -III ELECTRO FLUX & GAUSS.S LAW) (LEVEL - I (MAIN) INTEGER TYPE QUESTIONS|2 Videos
  • ELECTROMAGNETICS

    AAKASH SERIES|Exercise ADDITIONAL EXERCISE|13 Videos
  • ELEMENTS OF VECTORS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|10 Videos

Similar Questions

Explore conceptually related problems

There are 27 drops of a conducting fluid. Each drop has radius r , and each of them is charged to the same potential V_1 . They are then combined to from a bigger drop. The potential of the bigger drop is V_2 . Find the ratio V_2//V_1 . Ignore the change in density of the fluid on combining the drops.

1000 drops of same size are charged to a potential of 1 V each. If they coalesce to form in single drop, its potential would be

1000 drops of same size are charged to a potential of 1 V each. If they coalesce to form in single drop, its potential would be

If two identical mercury drops are combined to form a single drop, then its temperature will

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

A conducting liquid bubble of radius a and thickness t ( tltlt a) is charged to potential V . If the bubble collapses to a droplet , find the potential on the droplet .

Metallic sphere of radius R is charged to potential V. Then charge q is proportional to

Sixty four spherical drops each of radius 2 cm and carrying 5 C charge combine to form a bigger drop. Its capacity is.

Twenty seven drops of water of the same size are equally and similarly charged. They are then united to from a bigger drop. By what factor will the electrical potential changes.

Ten capacitors are joined in parallel and charged with a battery up to a potential V . They are then disconnected from the battery and joined in series. Then potential of the combination will be .

AAKASH SERIES-ELECTROSTATICS-PRACTICE SHEET (EXERCISE -IV ELECTRIC POTENTIAL & POTENTIAL ENERGY) (LEVEL - I (MAIN) STRAIGHT OBJECTIVE TYPE QUESTION)
  1. Which of the following is a true nut?

    Text Solution

    |

  2. Two electric charges of 9 muC and -3 muC are placed 0.16 m apart in ai...

    Text Solution

    |

  3. Charges 5 mu C, -2muC, 3muCand -9muC are placed at the corners A,B,C a...

    Text Solution

    |

  4. An electric charge 10^(-3) muC is placed at the origin (0, 0) of xy-co...

    Text Solution

    |

  5. In Millikan's oil drop experiment, an oil drop carrying a charge Q is ...

    Text Solution

    |

  6. Two parallel plates separated by a distance of 5 mm are kept at a pote...

    Text Solution

    |

  7. A cloud is at a potential of 8 xx 10^(6) volt relative to the ground. ...

    Text Solution

    |

  8. Surface charge density of a sphere of a radius 10 cm is 8.85 xx 10^(-8...

    Text Solution

    |

  9. Three plates A, B and C are placed close to each other with +Q charge ...

    Text Solution

    |

  10. As a charged particle 'q' moving with a velocity vec(v) enters a unifo...

    Text Solution

    |

  11. The variation of potential with distance R from a fixed point is shown...

    Text Solution

    |

  12. The electric potential decreases unifromly from 120 V to 80 V as one ...

    Text Solution

    |

  13. Choose the correct alternatives. (i) Acceleration due to gravity inc...

    Text Solution

    |

  14. There is an electric field E in x-direction. If the work done on movin...

    Text Solution

    |

  15. There are 27 drops of a conducting fluid. Each has a radius r and they...

    Text Solution

    |

  16. ABC is an equilateral triangle of side 2m. If vec(E ) = 10 NC^(-1) the...

    Text Solution

    |

  17. The charges - q, Q, -q are placed along x-axis at x = 0, x = a and x =...

    Text Solution

    |

  18. A satellite orbiting close to the surface of earth does not fall down ...

    Text Solution

    |

  19. Four equal charges q each are placed at four corners of a square of a ...

    Text Solution

    |