Home
Class 12
PHYSICS
Two point charges -2muC and +3muC are ke...

Two point charges `-2muC` and `+3muC` are kept r distance apart. The `+3muC` charge is displaced such that the force of attraction between both the charges is now tripled. Calculate the final distance between both the charges.

Text Solution

Verified by Experts

`r/sqrt3`
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CHARGES AND FIELDS

    MODERN PUBLICATION|Exercise Conceptual Questions|51 Videos
  • ELECTRIC CHARGES AND FIELDS

    MODERN PUBLICATION|Exercise Tough & Tricky Problems|20 Videos
  • ELECTRIC CHARGES AND FIELDS

    MODERN PUBLICATION|Exercise Chapter Practice Test|15 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST|15 Videos
  • ELECTROMAGNETIC INDUCTION

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST FOR BOARD EXAMINATION|14 Videos

Similar Questions

Explore conceptually related problems

The force of attractions between two charges 8muC and -4muC is 0.2 N. Find the distance of separation.

Two point charges +10 muC and +20 muC repel each other with a force of 100N. If a charge of-2 muC is added to each charge, then force between them will become

The force of repulsion between two point charges is F, when these are at distance 0.5m apart. Now the point charges are replaced by spheres of radii 5 cm each having the same charge as that of the respective point charge. The distance between their centres is again kept 0.5 m. Then the force of repulsion will

Two point charges +3 muC and +8muC repel each other with a force of 40 N . If a charge of -5 muC is added to each of them, then the force between them will become

Two point charges +4muC and -10 muC are placed 10 cm apart in air. A dielectric slab of large length and breadth but of thickeness 5 cm is placed between them. Calculate the force of attraction between the charges, if the relative permittivity of dielectric is 9.

Two point charges , -2muC and +6muC are fixed on a table at a distance 10 cm from each other. Where should the third charge be placed so that no net force acts on it ?

Two balls with charges 5muC" and "10muC are at a distance between them to 0.5 m, the amount of work to be performed is

MODERN PUBLICATION-ELECTRIC CHARGES AND FIELDS -Practice Problems
  1. Three identical charges of 2mC are kept on the vertices of an equilate...

    Text Solution

    |

  2. Three charges of 2 mC, -4 mC and -4mC are placed on the vertices of ...

    Text Solution

    |

  3. Two point charges -2muC and +3muC are kept r distance apart. The +3muC...

    Text Solution

    |

  4. Two identical charge of magnitude +2 muCare kept on two diagonally opp...

    Text Solution

    |

  5. Two identical charges of 1muC are kept on 0,2 m) and (0,-2 m), respec...

    Text Solution

    |

  6. Two charges +0.4 muC and-0.2 muC are placed on adjacent vertices of a ...

    Text Solution

    |

  7. Arrange three point charges 2muC, 4muC and 1mu C on a straight line s...

    Text Solution

    |

  8. An electron is moving in an orbit in hydrogen atom of radius 0.5xx 10^...

    Text Solution

    |

  9. Distributed charge of 1 C into two parts such that these part a experi...

    Text Solution

    |

  10. Fifty charged particles of magnitudes 0.01 muC, 0.04 muC , 0.09 muC …....

    Text Solution

    |

  11. Charged particles of charge 0.001 muC are placed on Y-axis at points (...

    Text Solution

    |

  12. Two small identical balls, each of mass 0.20 g, carry identical charge...

    Text Solution

    |

  13. A glycerin drop of mass 10^(-3) g with charge equal to 2e is balanced...

    Text Solution

    |

  14. A small metallic ball with charge 1 muC and mass 0.1 mg, when thrown i...

    Text Solution

    |

  15. In Millikan's oil drop experiment, an oil drop with density 1.5 g cm^(...

    Text Solution

    |

  16. A small metallic sphere with charge 0.1 muC is suspended by an insulat...

    Text Solution

    |

  17. calculate the tension in the string and angle made by it with vertical...

    Text Solution

    |

  18. A small particle of mass 1.8 xx 10^(-30) kg and charge -3.5 xx 10^(-1...

    Text Solution

    |

  19. calculate the time taken by a spherical ball if the direction of elect...

    Text Solution

    |

  20. A point charge of 0.01 muC is placed at the origin. Calculate the elec...

    Text Solution

    |