Home
Class 12
PHYSICS
Two positive point charges of 12 mu C an...

Two positive point charges of `12 mu C` and `8 mu C` are `10 cm` apart. The work done in bringing then `4 cm` closer is

A

5.8 J

B

5.8 eV

C

13 J

D

13 eV

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATIC POTENTIAL AND CAPACITORS

    DC PANDEY|Exercise (B) Chapter exercises|20 Videos
  • ELECTROSTATIC POTENTIAL AND CAPACITORS

    DC PANDEY|Exercise (C) Chapter exercises|50 Videos
  • ELECTROSTATIC POTENTIAL AND CAPACITORS

    DC PANDEY|Exercise Check point 2.5|20 Videos
  • ELECTROMAGNETIC WAVES

    DC PANDEY|Exercise Sec C|22 Videos
  • ELECTROSTATICS

    DC PANDEY|Exercise Medical entrances gallery|37 Videos

Similar Questions

Explore conceptually related problems

Two positive point charges 15 muC and 10 muC are 30 cm apart. Calculate the work done in bringing them closer to each other by 15 cm.

Two positive point charges of 0.2 muC and 0.01 muC are placed 10 cm apart. Calculate the work done in reducing the distance to 5 cm.

Two positive point charges of 12 and 5 microcoulombs, are placed 10 cm apart in air. The work needed to bring them 4 cm closer is

Two charges of 5muC and 20muC are placed 20 cm apart. Calculate the work done in bringing the charges closer to 15 cm apart.

Two positive charges of 1mu C and 2 mu C are placed 1 metre apart. The value of electric field in N/C at the middle point of the line joining the charge will be :

Two point charges of 20 mu C and 80 muC are 10 cm apart where will the electric field strength be zero on the line joining the charges from 20 mu C charge

Two point charge - 5 mu C and + 3 mu C are placed 64 cm apart. At what points on the line joining the two charges is the electric potential zero. Assume the potential at infinity to be zero.

Two point charges - 5 mu C and + 3 muC are placed 64 cm apart . At what points on the line joining the two charges is the electric potential zero ? (Assume the potential at infinity to be zero) .

Two point charges 2 mu C and 8 mu C areplaced 12 cm apart. Find the position of the point where the electric field intensity will be zero.

Two point charges 2 mu C and 8 mu C are placed 12 cm apart. Find the position of the point where the electric field intensity will be zero.

DC PANDEY-ELECTROSTATIC POTENTIAL AND CAPACITORS-(A) Chapter exercises
  1. How much kinetic energy will be gained by an alpha-particle in going f...

    Text Solution

    |

  2. A charged particle of mass m and charge q is released from rest in an ...

    Text Solution

    |

  3. Two positive point charges of 12 mu C and 8 mu C are 10 cm apart. The ...

    Text Solution

    |

  4. The capacitance of the earth, viewed as a spherical conductor of radiu...

    Text Solution

    |

  5. A thin metal plate P is inserted between the plates of a parallel-plat...

    Text Solution

    |

  6. A capacitor of capacity C hasd charge Q and stored energy is W. if the...

    Text Solution

    |

  7. A 2 muF capacitor is charged to 100 V, and then its plates are connect...

    Text Solution

    |

  8. If there are n capacitors in parallel connected to V volt source, then...

    Text Solution

    |

  9. A variable condenser is permanetly connect to a 100V battery. If the c...

    Text Solution

    |

  10. Two condensers of capacity 0.3 muF and 0.6muF respectively are connect...

    Text Solution

    |

  11. A capacity of capacity C(1) is charged up to V volt and then connected...

    Text Solution

    |

  12. A capacitor is charged by using a battery which is then disconnected. ...

    Text Solution

    |

  13. A parallel plate air capacitor is charged to a potential difference of...

    Text Solution

    |

  14. Two concentric metallic spherical shells are given positive charges . ...

    Text Solution

    |

  15. Dielectric constant of pure water is 81. Its permittivity will be

    Text Solution

    |

  16. Two spherical conductors each of capacity C are charged to potetnial V...

    Text Solution

    |

  17. Two spheres A and B of radius 4 cm and 6 cm are given charges of 80 mu...

    Text Solution

    |

  18. The electric potential difference between two parallel plates is 2000 ...

    Text Solution

    |

  19. Two conducting spheres A and B of radii 4 cm and 2 cm carry charges of...

    Text Solution

    |

  20. The insulated spheres of radii R(1) and R(2) having charges Q(1) and Q...

    Text Solution

    |