Home
Class 12
PHYSICS
Two small conducting spheres of equal ra...

Two small conducting spheres of equal radius have charges` +10 mu C and - 20 mu C ` respectively and placed at a distance R from each other experience force`F_(1)` . If they are brought in contact and separated to the same distance, they experience force`F_(2)` . The ratio of`F_(1)` to is `F_(2)` :

A

`1:8`

B

`-8:1`

C

`1:2`

D

`-2:1`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    MODERN PUBLICATION|Exercise LEVEL -II|74 Videos

  • ELECTROSTATICS

    MODERN PUBLICATION|Exercise LEVEL-III|23 Videos

  • ELECTRONS & PHOTONS

    MODERN PUBLICATION|Exercise RECENT COMPETITIVE QUESTIONS|20 Videos

  • GRAVITATION

    MODERN PUBLICATION|Exercise Recent Competitive Questions|8 Videos

Similar Questions

Explore conceptually related problems

Two spheres carrying charges + 6 mu C and 9 mu C , seperated by a distance d , experience a force of repulsion F . When a charge of - 3 mu C is given to both the sphere and kept at the same distance as before , the new force of repulsion is

Two electrically charged particles , having charges of different magnitudes , when placed at a distance 'd' from each other , experience a force of attraction 'F' . These two particles are put in contact and again placed at the same distance from each other. What is the nature of new force between them ?

Two spheres of electric charges +2 nC and -8 nC are placed at a distance d apart. If they are allowed to touch each other, what is the new distance between them to get a repulsive force of same magnitude as before?

MODERN PUBLICATION-ELECTROSTATICS-RECENT COMPETITIVE QUESTIONS
  1. Two small conducting spheres of equal radius have charges +10 mu C an...

    Text Solution

    |

  2. Two small spheres of masses M(1)andM(2) are suspended by weightless i...

    Text Solution

    |

  3. Two identical conducing balls A and B have opposite charges q(1)an...

    Text Solution

    |

  4. Two identical charged spheres of material density rho , suspended ...

    Text Solution

    |

  5. The electric field at a point due to an electric dipole , on an axi...

    Text Solution

    |

  6. In the uniform electric field of E = 1xx10^(4) "NC"^(-1) , an electron...

    Text Solution

    |

  7. Acceleration of a charged particle of charge q and mass m moving i...

    Text Solution

    |

  8. Two fixed charges A and B of 5 mu C each are separated by a dista...

    Text Solution

    |

  9. Two metal spheres of radii 0.01 m and 0.02 m are given a charge of ...

    Text Solution

    |

  10. If a charge on the body is 1 nC , then how many electrons are present...

    Text Solution

    |

  11. Two equal and opposite charges of masses m(1)andm(2) are accelerated i...

    Text Solution

    |

  12. What is the nature of Gussian surface involved in Gauss's law of el...

    Text Solution

    |

  13. A spherical conductor of radius 2 cm si uniformly charged with 3 mC...

    Text Solution

    |

  14. The angle between the dipole moment and electric field at any poi...

    Text Solution

    |

  15. Pick out the statement which is incorrect

    Text Solution

    |

  16. Two spheres carrying charges + 6 mu C and 9 muC separated by a dista...

    Text Solution

    |

  17. Three point charges 3nC , 6nC and 9nC are placed at the corners of...

    Text Solution

    |

  18. There is a uniform electric field of intensity E which is as shown ...

    Text Solution

    |

  19. All capacitors used in the diagram are identical and each is of capac...

    Text Solution

    |

  20. In the given network , the value of C , so that an equivalent capacit...

    Text Solution

    |

  21. In this diagram the Pot . Difference between A and B is 60 V , the Po...

    Text Solution

    |