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)` These are combined to form a bigger drop. Its potential will be

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|6 Videos
  • ELEMENTS OF VECTORS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|9 Videos

Similar Questions

Explore conceptually related problems

The terminal velocity of a liquid drop of radius 'r falling through air is v. If two such drops are combined to form a bigger drop, the terminal velocity with which the bigger drop falls through air is (ignore any buoyant force due to air)

A spherical drop of liquid carrying charge, Q has potential V_0 at its surface. If two drops of same charge and radius combine to form of single spherical drop, then the potential at the surface of new drop is (Assume, V = 0 at infinity.)

Eight spherical rain drops of the same mass and radius are falling down with a terminal speed of 6cms^-1 . If they coalesce to form one big drop , what will be the terminal speed of bigger drop ? ( Neglect the buoyancy of the air)

AAKASH SERIES-ELECTROSTATICS-PRACTICE SHEET (EXERCISE -IV ELECTRIC POTENTIAL & POTENTIAL ENERGY) (LEVEL - I (MAIN) STRAIGHT OBJECTIVE TYPE QUESTION)
  1. Let V be electric potential and E the mangitude of the electric field....

    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, 3mu and -9mu are placed at the corners A,B,C an...

    Text Solution

    |

  4. An electric change 10^(3) mu C is placed at the origin (0,0) of X-Y co...

    Text Solution

    |

  5. In experiment, an oil drop carrying a change Q is held staionary by a ...

    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. Two conducting spheres of radii R(1) and R(2) are at the same potentia...

    Text Solution

    |

  10. The electric potential (V) in volts varies with x (in metre) according...

    Text Solution

    |

  11. The variation of electirc potentia with distance d from a fixed point ...

    Text Solution

    |

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

    Text Solution

    |

  13. A charger of 5C experiences a force of 5000 N when it is moved in a un...

    Text Solution

    |

  14. There is an electric field in + X-direction. If the work done on movi...

    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. The closet distance of approach of an alpha - particle travelling with...

    Text Solution

    |

  19. Four equal charges Q are placed at the four corners of a square of eac...

    Text Solution

    |