Home
Class 12
PHYSICS
The magnetic field to a small magnetic d...

The magnetic field to a small magnetic dipole of magnetic moment `M`, at distance r from the centre on the equatorial line is given by (in M.K.S. system)

A

`(mu_(0))/(4pi)xx(M)/(r^(2))`

B

`(mu_(0))/(4pi)xx(M)/(r^(3))`

C

`(mu_(0))/(4pi)xx(2M)/(r^(2))`

D

`(mu_(0))/(4pi)xx(2M)/(r^(3))`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM -1

    MOTION|Exercise Exercise - 1 SECTION -A :- Magnetif field due to straight wire|10 Videos

  • MAGNETISM -1

    MOTION|Exercise Exercise - 1 SECTION -B :- Magnetic field due to cylinder|11 Videos

  • MAGNETISM -1

    MOTION|Exercise Exercise - 3 SECTION -A|56 Videos

  • MAGNETISM

    MOTION|Exercise EXERCISE-4 (LEVEL-II)|40 Videos

  • MATTER WAVE

    MOTION|Exercise EXERCISE 3 (SECTION B)|7 Videos

Similar Questions

Explore conceptually related problems

Magnetic moment and Magnetic Dipole moment

The field due to a magnet at a distance R~ from the centre of the magnet is proportional

The magnetic field strength at a point a distance 'd' form the centre on the axial line of a very short bar magnet of magnetic moment 'M' is 'B' . Then magnetic induction at a diatance 2d from the centre on the equatorial line of a magnetic moment 8M will be

A short bar magnet has a magnetic moment of 0.39 J "T"^(-1) . The magnitude and direction of the magnetic field produced by the magnet at a distance of 20 cm from the centre of the magnet on the equatorial line of the magnet is

A short bar magnet has a magnetic moment of 0.4 JT^(-1) The magnitude of the magnetic field (ingauss) produced by the magnet at a distance of 20 cm from the centre of the magnet on the equatorial line of the magnet is

The magnetic induction and magnetic potential due to a magnetic dipole of moment 15 Am^(2) at a distance of 1m from its centre along a line making an angle of 60^(@) with its axis are

The magnetic field due to short bar magnet of magnetic dipole moment M and length 21, on the axis at a distance z (where zgtgtI ) from the centre of the magnet is given by formula

The magnetic potential at a point due to a short magnetic dipole of moment 5 Am^(2) at a distance of 2 m from its centre and on a line making an angle of 30^(@) with its equator is

MOTION-MAGNETISM -1-QUESTIONS FOR PRACTICE
  1. Magnetic field strength due to a bar magnet at a point distant d from ...

    Text Solution

    |

  2. A magnet of magnetic moment M is situated with its axis along the dire...

    Text Solution

    |

  3. The magnetic field to a small magnetic dipole of magnetic moment M, at...

    Text Solution

    |

  4. A pair of stationary and infinitely long bent wires is placed in the X...

    Text Solution

    |

  5. A current carrying wire is bent into the shape of a square coil. The m...

    Text Solution

    |

  6. As shown in diagram, two perpendicular wire are placed very close to e...

    Text Solution

    |

  7. At a distance of 10 cm from a long straight wire carrying current, the...

    Text Solution

    |

  8. A circular coil of radius R carries an electric current i. The magneti...

    Text Solution

    |

  9. Figure shows three cases: in all case the circular part has radius r a...

    Text Solution

    |

  10. If the magnetic induction at a point on the axis of current coil is ha...

    Text Solution

    |

  11. A current of 0.1 A circulates around a coil of 100 turns and having a ...

    Text Solution

    |

  12. The radius and number of turns of a circular coil are doubled. The mag...

    Text Solution

    |

  13. In a current carrying long solenoid, the field produced does not depen...

    Text Solution

    |

  14. The strength of the magnetic field at a point r near a long straight c...

    Text Solution

    |

  15. Two straight infinitely long and thin parallel wires are spaced 0.1m a...

    Text Solution

    |

  16. A current of one ampere is passed through a straight wire of length 2*...

    Text Solution

    |

  17. A toroid has number of turns per unit length n, current i, then the ma...

    Text Solution

    |

  18. The current on the winding of a toroid is 2 A. It has 400 turns and me...

    Text Solution

    |

  19. A circular loop has a radius of 5 cm and it is carrying a current of 0...

    Text Solution

    |

  20. The magnetic moment of a circular coil carrying current is

    Text Solution

    |