Home
Class 12
PHYSICS
In a regular hexagon each corner is at a...

In a regular hexagon each corner is at a distance .r. from the centre. Identical charges of magnitude .Q. are placed at 5 corners. The field at the centre is `(K = (1)/(4pi in_(0)))`

A

`KQ//r^(2)`

B

`(6 KQ)/(r^(2))`

C

`(5KQ)/(r^(2))`

D

Zero

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - II INTENSITY OF ELECTRIC FIELD) (LEVEL - II (MAIN) STRAIGHT OBJECTIVE TYPE QUESTION)|10 Videos
  • ELECTROSTATICS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - II INTENSITY OF ELECTRIC FIELD) (LEVEL - II (MAIN) MORE THAN ONE ANSWER TYPE QUESTION)|1 Videos
  • ELECTROSTATICS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - I COULOMB.S INVERSE SQUARE LAQW) (LEVEL - II (ADVANCED LINKED COMPREHENSION TYPE QUESTION)|3 Videos
  • ELECTROMAGNETICS

    AAKASH SERIES|Exercise ADDITIONAL EXERCISE|13 Videos
  • ELEMENTS OF VECTORS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|10 Videos

Similar Questions

Explore conceptually related problems

In a regular polygon of n sides, each corner is at a distance r from the centre. Identical charges each of magnitude q are placed at corners. The field at the centre is

In a regular polygon of n sides, each corner is at a distance r from the centre. Identical charges are placed at (n-1) corners. At the centre, the intensity is E and the potential is V . The ratio V//E has magnitude

In a regular polygon of n sides, each corner is at a distance r from the centre. Identical charges are placed at (n-1) corners. At the centre, the intensity is E and the potential is V . The ratio V//E has magnitude

ABC is an equilateral triangle. Three identical charges each +q are placed at each corner. Electric intensity at the centroid of triangle is

A charge Q is placed at each corner of a cube of side a. The potential at the centre of the cube is

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

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)

Five charges each q are placed at five corners regular pentagon. Distance from corner to the centre of pontagon is r . Then (K=(1)/(4pi epsilon_(0)))

ABC is an equilateral triangle. Charges +q are placed at each corner. The electric field intensity at the centroid of triangle will be

Let a total charge 2Q be distributed in a sphere of radius R, with the charge density given by , rho(r)=kr , where r is the distance from the centre. Two charge A and B, of –Q each, are placed on diametrically opposite points, at equal distance, a from the centre. If A and B do not experience any force, then:

AAKASH SERIES-ELECTROSTATICS-PRACTICE SHEET (EXERCISE - II INTENSITY OF ELECTRIC FIELD) (LEVEL - I (MAIN) STRAIGHT OBJECTIVE TYPE QUESTION)
  1. Two point charges Q and -3Q are placed at some distance apart. If the ...

    Text Solution

    |

  2. The electric field at (30, 30) cm due to a charge of -8nC at the origi...

    Text Solution

    |

  3. Two charges 4 xx 10^(-9) and - 16 xx 10^(-9) C are separated by a dist...

    Text Solution

    |

  4. The number of electrons to be put on a spherical conductor of radius 0...

    Text Solution

    |

  5. The magnitude of electric field intensity at a distance x due to charg...

    Text Solution

    |

  6. A sphere of mass 50 gm is suspended by a string in an electric field o...

    Text Solution

    |

  7. A and B are two points separately by a distance 5cm. Two charges 10 mu...

    Text Solution

    |

  8. At the corners A, B, C of a square ABCD, charges 10mC, -20 m C and 10m...

    Text Solution

    |

  9. A charged oil drop is suspended in uniform field of 3 xx 10^(4) Vm^(-1...

    Text Solution

    |

  10. A particle of mass m and charge q is placed at rest in a uniform elect...

    Text Solution

    |

  11. A proton and an alpha-particle start from rest in a uniform electric f...

    Text Solution

    |

  12. In a regular hexagon each corner is at a distance .r. from the centre....

    Text Solution

    |

  13. A positive point charge 50mu C is located in the plane xy at a point w...

    Text Solution

    |

  14. Four identical charges Q are fixed at the four corners of a square of ...

    Text Solution

    |

  15. Intensity of electric field at a point at a perpendicular distance .r....

    Text Solution

    |

  16. Electric field at centre of quarter circular ring having charge densit...

    Text Solution

    |

  17. A charged disc of radius 3 m has charge density sigma. Electric field ...

    Text Solution

    |

  18. The ratio of distance of two satellites from the centre of earth is 1 ...

    Text Solution

    |

  19. A solid non conducting sphere has charge density pCm^(-3) Electric fie...

    Text Solution

    |

  20. A hollow sphere has charge density .sigma.Cm^(-2). Identify incorrect ...

    Text Solution

    |