Home
Class 12
PHYSICS
The force between two charges 4C and -2C...

The force between two charges 4C and -2C which are separated by a distance of 3km is

A

`9 xx 10^(3)N`

B

`24 xx 10^(3)N`

C

`8 xx 10^(3)N`

D

`4 xx 10^(3)N`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CHARGES AND FIELDS

    AAKASH SERIES|Exercise Exercise-II|56 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH SERIES|Exercise PRACTICE EXERCISEX|44 Videos

  • ELECTRIC FIELD AND POTENTIAL

    AAKASH SERIES|Exercise PROBLEMS (LEVEL-II)|32 Videos

Similar Questions

Explore conceptually related problems

The force between two similar charges of magnitude 2C each separated by a distance 2km

An oil drop having a mass 4.8xx10^(-18) g and a charge 2.4xx10^(-18) C stands still between two charged horizontal plates separated by a distance of 1 cm If now the polarity of the plates is changed, instantaneous accleration of the drop is (g=10ms^(-2)

The force between two magnet poles separated by a distance 'd' in air is 'F'. At what distance between them does the force become doubled ?

AAKASH SERIES-ELECTRIC CHARGES AND FIELDS-Practice Exercise
  1. Two point charges +2C and +6C repel each other with a force of 12N. If...

    Text Solution

    |

  2. Two small balls having equal positive charge QC on each are suspended ...

    Text Solution

    |

  3. The force between two charges 4C and -2C which are separated by a dist...

    Text Solution

    |

  4. Two charges 9 mu C and 1mu C are placed at a distance of 30cm. The pos...

    Text Solution

    |

  5. Three point charges Q(1), Q(2) and Q(3) in that order are placed equal...

    Text Solution

    |

  6. Tritium and helium are put 2 xx 10^(-10)m apart in air. Magnitude of i...

    Text Solution

    |

  7. 10C and 20C are separated by a distance d. If the electric field at th...

    Text Solution

    |

  8. A charge of mass .m. charge .2e. is released from rest in a uniform el...

    Text Solution

    |

  9. A charge of 10^(-10C is placed at the origin. The electric field at (1...

    Text Solution

    |

  10. Two point charges +8q and -2q are located at x=0 and x=L respectively....

    Text Solution

    |

  11. A hollow spherical conductor of radius 1m has a charge of 250mu C then...

    Text Solution

    |

  12. Two point charges q(A)= 3mu C and q(B) = - 3muC are located 20cm apart...

    Text Solution

    |

  13. The displacement bar(r ) of a charge Q in an electric field E= e(1) ha...

    Text Solution

    |

  14. A conducting sphere of radius R= 20cm is given a charge Q= 16 mu C wha...

    Text Solution

    |

  15. A 0.50 gm ball carries a charge of magnitude 10mu C. It is suspended b...

    Text Solution

    |

  16. Two equal and opposite charges of magnitude 0.2 mu C are 15 cm apart, ...

    Text Solution

    |

  17. Three charges each of +4mu C are the corners B, C, D of a square ABCD ...

    Text Solution

    |

  18. There are n electrons of charge on a drop of oil of density rho. It is...

    Text Solution

    |

  19. The electrons in a particle beam each have a kinetic energy of 1.6 xx ...

    Text Solution

    |

  20. Two charged particles having masses in the ratio 2: 3 and charges in t...

    Text Solution

    |