Home
Class 12
PHYSICS
A bar magnet of magnetic moment vec(M) i...

A bar magnet of magnetic moment `vec(M)` is placed in a magnetic field of induction `vec(B)` . The torque exerted on it is

A

`vecM xx vecB`

B

`-vec M . vecB`

C

`vecM. vecB`

D

`vecB xx vecM`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM AND MATTER

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION D)|26 Videos
  • MAGNETISM AND MATTER

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION B)|21 Videos
  • LAWS OF MOTION

    AAKASH INSTITUTE|Exercise Assignment (SECTION-D) (Assertion-Reason Type Questions)|15 Videos
  • MECHANICAL PROPERTIES OF FLUIDS

    AAKASH INSTITUTE|Exercise SECTION - J|9 Videos

Similar Questions

Explore conceptually related problems

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 M is placed in a magnetic field of inductionB.then maximum Couple acting on it is

When a bar magnet of magnetic moment barM is placed in a magnetic field of induction field strength barB , each pole experiences a force of barF then the distance between the south and north pole of the magnet measured inside it is

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

A flat coil carrying a current has a magnetic moment vecmu . It is placed in a magnetic field vecB . The torque on the coil is vec(tau)

A bar magnet of magnetic moment M is placed at right angles to a magnetic induction B. If a force F is experienced by each pole of the magnet, the length of the magnet will be

AAKASH INSTITUTE-MAGNETISM AND MATTER -ASSIGNMENT (SECTION C)
  1. The magnetic moment of a diamagnetic atom is

    Text Solution

    |

  2. A thin ring of radius R metre has charge q coulomb uniformly spread ...

    Text Solution

    |

  3. A bar magnet having a magnetic moment of 2 xx 10 ^(4) JT ^(-1) is free...

    Text Solution

    |

  4. If a diamagnetic substance is brought near the north or the south pole...

    Text Solution

    |

  5. Curie temperature is the temperature above which

    Text Solution

    |

  6. Nickel shows ferromagnetic property at room temperature. If the temper...

    Text Solution

    |

  7. Above curie temperature

    Text Solution

    |

  8. If the magnetic dipole of moment of an atom of diamagnetic material, p...

    Text Solution

    |

  9. A bar magnet having a magnetic moment of 2xx10^(4) JT^(-1) is free to ...

    Text Solution

    |

  10. A bar magnet of magnetic moment vec(M) is placed in a magnetic field o...

    Text Solution

    |

  11. Tangent galvanometer is used to measure

    Text Solution

    |

  12. The work done in turning a magnet of magnetic moment 'M' by an angle o...

    Text Solution

    |

  13. Due to the earth's magnetic field, charged cosmic ray particles

    Text Solution

    |

  14. For protecting a sensitive equipment from the external magnetic field,...

    Text Solution

    |

  15. Two bar magnets having same geometry with magnetic moments M and 2M, a...

    Text Solution

    |

  16. According to Curie's law, the magnetic susceptibilty of a paramagneti...

    Text Solution

    |

  17. A diamagnetic material in a magnetic field moves

    Text Solution

    |

  18. If the magnetic dipole of moment of an atom of diamagnetic material, p...

    Text Solution

    |

  19. A current loop in a magnetic field

    Text Solution

    |

  20. An iron nail near a bar magnet experiences

    Text Solution

    |