Home
Class 12
PHYSICS
A regular hexagon of side 10 cm has a ch...

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

A

`2.7xx10^(6)V`

B

`3.7xx10^(6)V`

C

`4.7xx10^(6)V`

D

`5.7xx10^(6)V`.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST-2

    MODERN PUBLICATION|Exercise MCQs|52 Videos
  • OSCILLATIONS

    MODERN PUBLICATION|Exercise RCQ|7 Videos

Similar Questions

Explore conceptually related problems

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 centre of the cube.

Draw a rough sketch of a regular hexagon. Connecting any three of its vertices, draw a triangle. Identify the type of the triangle you havew drawn.

A spherical shell of radius 10 cm is carrying a charge q . If the electric potential at distances 5cm, 10cm & 15cm from the centre of the spherical shell is V_(1), V_(2) and V_(3) respectively , then

A picture is painted on a cardboard 8 cm long and 5 cm wide such that there is a margin of 1.5cm along each of its sides. Find the total area of the margin.

OABCDE is a regular hexagon of side 2 units in the XY-plane in the first quadrant. O being the origin and OA taken along the x-axis. A point P is taken on a line parallel to the z-axis through the centre of the hexagon at a distance of 3 units from O in the positive Z direction. Then find vector vec(AP) .

MODERN PUBLICATION-MOCK TEST-3-MCQs
  1. For a transistor, the current amplification factor alpha=0.9. This tr...

    Text Solution

    |

  2. A mass 'M' is suspended from a spring of negligible mass. The spring i...

    Text Solution

    |

  3. A regular hexagon of side 10 cm has a charge 5 muC at each of its ver...

    Text Solution

    |

  4. Two metal plates form a parallel plate capacitor.The distance between ...

    Text Solution

    |

  5. A circular coil of 100 turns has a radius of 10 cm and carries a curre...

    Text Solution

    |

  6. Deuterons are accelerated in cyclotron that has an oscillatory frequen...

    Text Solution

    |

  7. An ammeter is obtained by shunting a 30 Omega galvanometer with a 30 O...

    Text Solution

    |

  8. A sinusoidal voltage of peak vale 283V and frequency 50Hz is applied t...

    Text Solution

    |

  9. If the electric amplitude of the electromagnetic wave is 5Vm^(-1), its...

    Text Solution

    |

  10. The energy emitted per second by a black body at 1227^(@)C is E. If th...

    Text Solution

    |

  11. The speed of sound in agas at N.T.P. is 300 ms^(-1). If the pressure i...

    Text Solution

    |

  12. The length of a seconds' pendulum on the earth is 60m. What will be th...

    Text Solution

    |

  13. A girl is swinging on a swing in the standing position. How will the p...

    Text Solution

    |

  14. A resistance of 2Omega is connected across one gap of a metre-bridge (...

    Text Solution

    |

  15. A hollow metallic tube a length L and closed at one end produces reson...

    Text Solution

    |

  16. Equal temperature difference exists between the ends of two metallic r...

    Text Solution

    |

  17. Statement-1 : A planet moves in a elliptical orbit around the sun. Its...

    Text Solution

    |

  18. Statement-1 : When light enters a prism and deviates from its normal p...

    Text Solution

    |

  19. Plank's constant is represented by:

    Text Solution

    |

  20. A body moves with uniform acceleration. If v(1), v(2) and v(3) be the ...

    Text Solution

    |