Home
Class 11
PHYSICS
The dipole moment of a system of charge ...

The dipole moment of a system of charge `+q` distributed uniformly on an arc of radius T subtending an angle `pi//2` at its centre where another charge `-q` is placed is

Text Solution

Verified by Experts

The correct Answer is:
A


Dipole moment
`=(q)((2sqrt(2)R)/pi)=(2sqrt(2)qR)/pi`
Promotional Banner

Topper's Solved these Questions

  • MISCELLANEOUS

    ALLEN|Exercise Exercise-03|1 Videos
  • MISCELLANEOUS

    ALLEN|Exercise Exercise-04|1 Videos
  • MISCELLANEOUS

    ALLEN|Exercise Exersice -05(B)|19 Videos
  • KINEMATICS (MOTION ALONG A STRAIGHT LINE AND MOTION IN A PLANE)

    ALLEN|Exercise BEGINNER S BOX-7|8 Videos
  • PHYSICAL WORLD, UNITS AND DIMENSIONS & ERRORS IN MEASUREMENT

    ALLEN|Exercise EXERCISE-IV|8 Videos

Similar Questions

Explore conceptually related problems

The dipole moment of a system of charge +q distribyted uniformly on an arc of radius R subtending an angle pi //2 at its centre where another charge -q is placed is :

A rubber balloon is given a charge Q distributed uniformly over its surface. Then

Charge q is uniformly distributed over a thin half ring of radius R . The electric field at the centre of the ring is

A positive charge Q is uniformly distributed along a circular ring of radius R .a small test charge q is placed at the centre of the ring.

A thin semi-circular ring of radius r has a positive charge q distributed uniformly over it. The net field vecE at the centre O is

A positive charge Q is uniformly distributed along a circular ring of radius R .a small test charge q is placed at the centre of the ring .The

A spherical shell of radius R is given charge 3q on its surface and a point charge q is placed at distance R//2 from its centre C . Also there is a charge 2q placed outside the shell at a distance of 2R as shown. Then

A charge q_0 is distributed uniformly on a ring of radius R. A sphere of equal radius R constructed with its centre on the circumference of the ring. Find the electric flux through the surface of the sphere.

Positive charge Q is distributed uniformly over a circular ring of radius R. A particle having a mass m and a negative charge q, is placed on its axis at a distance x from the centre. Find the force on the particle. Assuming x is very less than R, find the time period of oscillation of the particle if it is released from there.

Calculate potential on the axis of a ring due to charge Q uniformly distributed along the ring of radius R.

ALLEN-MISCELLANEOUS-Exercise-02
  1. A proton and a ionized deuterium are initially at rest and are acceler...

    Text Solution

    |

  2. Three points charges are placed at the corners of an equilateral trian...

    Text Solution

    |

  3. The dipole moment of a system of charge +q distributed uniformly on an...

    Text Solution

    |

  4. An electric dipole is kept on the axis of a uniformly charged ring at ...

    Text Solution

    |

  5. Point I' lics on the axis of a dipole. If the dipole is rotated by 90^...

    Text Solution

    |

  6. Two short electric dipoles are placed as shown (r is the distance betw...

    Text Solution

    |

  7. Charges Q1 and Q2 lie inside and outside respectively of a closed surf...

    Text Solution

    |

  8. An electric dipole is placed at the centre of a sphere. Mark the corre...

    Text Solution

    |

  9. An infinite, uniformly charged sheet with surface charge density cut...

    Text Solution

    |

  10. At a distance of 5cm and 10 cm from surface of a uniformly charge soli...

    Text Solution

    |

  11. An electric field converges at the origin whose magnitude is given by ...

    Text Solution

    |

  12. A bullet of mass m and charge q if fired towards a solid uniformly cha...

    Text Solution

    |

  13. A unit positive point charge of mass m is projected with a velocity V ...

    Text Solution

    |

  14. Three concentric conducting spherical shells have radii r, 2r, and 3r ...

    Text Solution

    |

  15. Shown in the figure a spherical shell with an inner radius 'a' and an ...

    Text Solution

    |

  16. Electric potential due to a dipole at a position vec r from its centre...

    Text Solution

    |

  17. There are four concentric shells A, B, C and D of radii a,2a,3a and 4a...

    Text Solution

    |

  18. X and Y are large, parallel conducting plates close to each other. Eac...

    Text Solution

    |

  19. Plates A and B constitutes an isolated, charge parallel plate capacito...

    Text Solution

    |

  20. A wheel having mass mu has charges +q and -q on diametrically opposite...

    Text Solution

    |