Home
Class 12
PHYSICS
A hexagon of side 'a' has a charge 'q' a...

A hexagon of side 'a' has a charge 'q' at each of its vertices. The electric field at the centre of hexagon is

A

`0`

B

`(1)/(4pi in _0 ).(q)/(a^(2))`

C

` (1)/(4pi in _0) . (6q)/(a^(2))`

D

` (1)/(4pi in _0) .(6q^(2))/(a^(2))`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CHARGES AND FIELDS

    U-LIKE SERIES|Exercise FILL IN THE BLANKS|15 Videos

  • ELECTRIC CHARGES AND FIELDS

    U-LIKE SERIES|Exercise TRUE OR FALSE|5 Videos

  • ELECTRIC CHARGES AND FIELDS

    U-LIKE SERIES|Exercise CASE BASED/ SOURCE -BASED INTEGRATED QUESTIONS|14 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    U-LIKE SERIES|Exercise SELF ASSESSMENT TEST SECTION-C (VERY SHORT ANSWER QUESTIONS)|3 Videos

  • ELECTROMAGNETIC WAVES

    U-LIKE SERIES|Exercise SELF ASSESSMENT TEST (SECTION C)|1 Videos

Similar Questions

Explore conceptually related problems

A hexagon of side 8 cm has a charge 4 muC at each of its vertices. The potential at the centre of the hexagon is

A regular hexagon of side 10 cm has a charge 5 muC at each of its vertices. Calculate the potential at the center of the hexagon.

A regular hexagon of side a has a charge Q at each vertex. Potential at the centres of hexagon is (k= (1/4piepsilon_0) )

A cube of side b has a charge q at each of its vertices. Determine the potential and electric field due to this charge array at the center of the cube.

Five point charge ( +q each) are placed at the five vertices of a regular hexagon of side 2a .what is the magnitude of the net electric field at the centre of the hexazon?

Four identical point charges, each of charge q, are placed on the vertices of a regular hexagon of side a such that the net electric field at centre of hexagon is zero. If one of the charge is now removed, then the electric field at centre of hexagon is k- 4.60

Five point charges, +q each are placed at the five vertices of a regular hexagon. The distance of the center of the hexagon from any fo the vertices is a. the electric field at the center of the hexagon is

U-LIKE SERIES-ELECTRIC CHARGES AND FIELDS -MULTIPLE CHOICE QUESTIONS
  1. An electric dipole is placed at an angle of 30^(@) to a non-uniform...

    Text Solution

    |

  2. A square surface of side L in the plane of the paper is placed in a un...

    Text Solution

    |

  3. The electric dipole moment of an electron and proton 4.3 nm apart is

    Text Solution

    |

  4. A charge Q is placed at each of the opposite corners of square. A char...

    Text Solution

    |

  5. The value of electric permittivity of free space is

    Text Solution

    |

  6. Two charges q1 and q2 separated by a distance 'r' in air exert a for...

    Text Solution

    |

  7. An electron of charges e experiences a force equal to its weight 'mg' ...

    Text Solution

    |

  8. Which of the following is not a unit of electric field?

    Text Solution

    |

  9. Figure 1.24 shows electric field lines corresponding to an electric fi...

    Text Solution

    |

  10. A hexagon of side 'a' has a charge 'q' at each of its vertices. The el...

    Text Solution

    |

  11. Two charges of 10 mu C and 20 muC respectively are placed at points...

    Text Solution

    |

  12. An electric and a proton are separated by a distance of 1 oversetto @...

    Text Solution

    |

  13. If Ea be the electric field of a short dipole at a point on its axia...

    Text Solution

    |

  14. A point P lies on the perpendicular bisector of a short electric dipo...

    Text Solution

    |

  15. Ten dipoles ,each of dipole moment 'p' , are placed inside a hollow sp...

    Text Solution

    |

  16. Electric field 'E' at a point situated at a normal distacne 'r' from a...

    Text Solution

    |

  17. SI unit of electric flux is

    Text Solution

    |

  18. Which of the following graph represents the variation of electric fiel...

    Text Solution

    |

  19. If the electric flux entering and leaving an enclosed surface are phi1...

    Text Solution

    |

  20. Gauss' law is true only if electric force due to a given charges varie...

    Text Solution

    |