Home
Class 12
PHYSICS
A point charge is surrounded symmetrical...

A point charge is surrounded symmetrically by six identical charges at distance `r` as shown in the figure How much work is done by the froces of electrostatic repulsion when the point charge at the centre is removed to infinity ?

A

`6q//4pi epsilon_(0)r`

B

`6q^(2)//4 pi epsilon_(0)r`

C

`36q^(2)//4 pi epsilon_(0)r`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATIC POTENTIAL AND CAPACITORS

    DC PANDEY ENGLISH|Exercise (B) Chapter exercises|17 Videos

  • ELECTROSTATIC POTENTIAL AND CAPACITORS

    DC PANDEY ENGLISH|Exercise (C) Chapter exercises|50 Videos

  • ELECTROSTATIC POTENTIAL AND CAPACITORS

    DC PANDEY ENGLISH|Exercise Check point 2.5|20 Videos

  • ELECTROMAGNETIC WAVES

    DC PANDEY ENGLISH|Exercise Sec C|22 Videos

  • ELECTROSTATICS

    DC PANDEY ENGLISH|Exercise Medical entrances gallery|37 Videos

Similar Questions

Explore conceptually related problems

Two charges are placed s shown in figure below. The potential at point P is

The work done in carrying a charge q once round a circle of radius r with a charge Q at the centre is

A point charge is taken from a point A to a pint B in an electric field. Does the work done by the electric field depend on the path of the charge ?

Inside a neutral hollow conducting sphere of radius X and centre C, a point charge q is placed as shown in the figure. Another point charge q_1 , is placed outside the sphere at distance d from centre. The net- electrostatic force on charge q placed at the centre is K=1/(4piepsilon_0)

How much work is done in moving a charge of 2 C across two points having a potential difference of 12 V ?

The electrostatic potential due to the charge configuration at point P as shown in figure for b

Inside a charged thin conducting shell of radius R, a point charge +Q is placed as shown in figure potential of shell may be

A point charge q is placed at some distance d away from the centre of a grounded conducting sphere of radius r, as shown in the figure. The charge that flows the earth to the sphere is

A point charge q is rotated along a circle in the electric field generated by anotherj point charge Q. The work done by the electric field on the rotatin charge in one complete revolution is

The work done in carrying a point charge form one point to another in an electrostatic field depends on the path along which the point charge is carried.

DC PANDEY ENGLISH-ELECTROSTATIC POTENTIAL AND CAPACITORS-(A) Chapter exercises
  1. Three charges are placed at the vertices of an equilateral triangle of...

    Text Solution

    |

  2. A particle of mass 2 g and charge 1 muC is held at rest on a frictionl...

    Text Solution

    |

  3. A point charge is surrounded symmetrically by six identical charges at...

    Text Solution

    |

  4. Five capacitors of 10 muf capacity each are connected to a.d.c potenti...

    Text Solution

    |

  5. Three capacitors of capacitances 3 muF, 9muF and 18 muF are connected ...

    Text Solution

    |

  6. In the circuit diagram shown in the adjoining figure, the resultant ca...

    Text Solution

    |

  7. Four capacitors of each of capacity 3 muF are connected as shown in th...

    Text Solution

    |

  8. What is the equivalent capacitance between A and B in the given figure...

    Text Solution

    |

  9. Four capacitors are connected as shown . The equivalent capacitance be...

    Text Solution

    |

  10. The total capacity of the system of capacitors shown in the adjoining ...

    Text Solution

    |

  11. Four capacitors are connected in a circuit as shown in the figure. The...

    Text Solution

    |

  12. In the given network capacitance, C(1) = 10muF, C(2) = 5 muF and C(3) ...

    Text Solution

    |

  13. The equivalent capacitance between points A and B is

    Text Solution

    |

  14. The capacitance between the points A and B in the given circuit will b...

    Text Solution

    |

  15. Four equal capacitors, each of capacity C, are arranged as shown. The ...

    Text Solution

    |

  16. There are 7 identical capacitors. The equivalent capacitance when they...

    Text Solution

    |

  17. The capacitance of a parallel plate capacitor is 16 mu F. When a glas...

    Text Solution

    |

  18. A parallel plate condenser with air between the plates possesses the c...

    Text Solution

    |

  19. Three condensers each of capacity C microfarad are connected in series...

    Text Solution

    |

  20. Three plates of common surface area A are connected as shown. The effe...

    Text Solution

    |