Home
Class 12
PHYSICS
A magnetic dipole of moment M is placed ...

A magnetic dipole of moment M is placed in uniform magnetic field B so that angle betweem direction of M and B is `theta`,the torque acting on the magnetic dipole is

A

MB `sintheta`

B

MB`tantheta`

C

MB `costheta`

D

MB

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    NIKITA PUBLICATION|Exercise MCQs (Sensitivity and accuracy of M.C.G.)|1 Videos

  • MCQS FROM BOARD EXAM

    NIKITA PUBLICATION|Exercise COMMUNICATION SYSTEMS|7 Videos

Similar Questions

Explore conceptually related problems

A current loop of magnetic dipole moment vec(M) is placed in uniform magnetic field B. Initially the angle between vec(M) and vec(B) " is " theta_(1) . Find the work done by magnetic field as the angle is increased from theta_(1) " to " theta_(2)

Magnetic Dipole In Uniform Magnetic Field

A bar magnet of magnetic moment M is placed in a uniform magnetic field B in such a manner that is angle between M and B. Select the correct option(s)

Magnetic dipole moment vecM of the coil, placed in uniform magnetic field of induction vecB does not depend on

A small bar magnet of moment M is placed in a uniform field H. If magnet makes an angle of 30^(@) with field, the torque acting on the magnet is

A magnetic dipole is placed in a uniform magnetic field of intensity B, oriented along the direction of the field. If the magnetic dipole moment is M, then the maximum work an external agent can perform in rotating the dipole will be

Magnetic Dipole Moment || Torque

A bar magnet of moment M is placed in a magnetic field of indiction B. The torque exerted on it is

A bar magnet of magnetic moment 0.4 Am^(2) is placed in a uniform magnetic field of induction 5 xx10^(-2) tesla. The angle between the magnetic induction and the magnetic moment is 30^(@) . The torque acting on the magnet is

A dipole of dipole moment vec(P) is placed in uniform electric field vec(E) , then torque acting on it is given by

NIKITA PUBLICATION-MAGNETISM -MCQs
  1. The ends of the magnet at which magnetic properties of magnet are conc...

    Text Solution

    |

  2. Magnetic lines of induction in external space and inside the magnetic ...

    Text Solution

    |

  3. A magnetic dipole of moment M is placed in uniform magnetic field B so...

    Text Solution

    |

  4. A magnetic field is produced by the two magnets as shown In the figure...

    Text Solution

    |

  5. A uniform megnetic field, parallel to the plane of the paper exixted i...

    Text Solution

    |

  6. Magnetic moment of a bar magnet is equal to a moment of a couple which...

    Text Solution

    |

  7. A bar magnet produces a field which is similaar to a field produced by...

    Text Solution

    |

  8. The magnet can be completely demagnetized by

    Text Solution

    |

  9. The systerm of two fictitious poles separated by certain distance is c...

    Text Solution

    |

  10. The magnetic dipole moment of a bar magnet each of pole stregth m is g...

    Text Solution

    |

  11. If a circular coil area A,number of turns n carries a current I then i...

    Text Solution

    |

  12. SI unit of magnetic pole strength is

    Text Solution

    |

  13. The S.I unit of magnetic dipole moment is

    Text Solution

    |

  14. The line joining the two poles of a magnet is called as

    Text Solution

    |

  15. The distance between two poles of magnets is called as

    Text Solution

    |

  16. The perpendicular drawn to magnetic axis and passing through centre of...

    Text Solution

    |

  17. The ability of interaction of the either pole of the dipole is

    Text Solution

    |

  18. The product of the magnitude of the pole stregth and the magnetic leng...

    Text Solution

    |

  19. A device cosisting of two fictitious poles separated by a finite dista...

    Text Solution

    |

  20. Magnetic dipole moment is a vector directed from

    Text Solution

    |