Home
Class 12
PHYSICS
A short bar magnet placed with its axis ...

A short bar magnet placed with its axis at `30^@` with a uniform external magnetic field of 0.16T experiences a torque of magnitude 0.032J the magnetic moment of the bar magnet will be

A

0.23J/T

B

0.4J/T

C

0.08J/T

D

zero

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS-I, II AND III

    PATHFINDER|Exercise QUESTION BANK|290 Videos
  • MAGNETISM AND MATTER

    PATHFINDER|Exercise QUESTION BANK|32 Videos

Similar Questions

Explore conceptually related problems

Define magnetic moment of a bar magnet .

A short bar magnet placed with its axis at 30^@ with a uniform external magnetic field of 0.25T experiences a torque of magnitude equal to 4.5xx10^(-2)Nm . What is the magnitude of magnetic moment?

A short bar magnet , placed with its axis at an angle theta With a uniform external magnet field B, experiences a torque tau .what is the moment of the magnet?

A bar magnet of magnetic moment 6J.T^(-1) is aligned at 60^(@) with a uniform external magnetic field of 0.44T . Calculate the torque on the magnet in the final orientation in case (ii).

A torque of 8 units is applied on a magnet when it is kept at 30^(@) with the direction of a uniform magnetic field of intensity 0.32 units . Determine the magnetic moment of the magnet .

When a magnet is placed in a uniform magnetic field , it experiences

A bar magnet of magnetic moment 6J.T^(-1) is aligned at 60^(@) with a uniform external magnetic field of 0.44T . Calculate the work done in turning the magnet to align ist magnetic moment (i) normal to the magnetic field , (ii) opposite to the magnetic field

PATHFINDER-MAGNETIC EFFECT OF CURRENT AND ELECTROMAGNETISM-I,II AND III-QUESTION BANK
  1. Two identical thin bar magnets each of length l and pole strength m ar...

    Text Solution

    |

  2. The work done by an external agent in turning a magnet of magnetic mom...

    Text Solution

    |

  3. A short bar magnet placed with its axis at 30^@ with a uniform externa...

    Text Solution

    |

  4. A magnet of magnetic moment 50hatiA-m^2 is placed along the x axis in ...

    Text Solution

    |

  5. A bar magnet of magnetic moment 3.0Am^2 is placed in a uniform magneti...

    Text Solution

    |

  6. A bar magnet when placed at an angle of 30^@ to the direction of magne...

    Text Solution

    |

  7. A magnet of magnetic moment 2J/T is alligned in the direction of magne...

    Text Solution

    |

  8. Earth's magnetic field always has a horizontal component except at

    Text Solution

    |

  9. If the angles of dip at two places are 30^@ and 45^@ respectively then...

    Text Solution

    |

  10. A dip circle is at right angle to the magnetic meridian what will be t...

    Text Solution

    |

  11. The earth's magnetic field at a certain place has a horizontal compone...

    Text Solution

    |

  12. Lines which represent places of constant angle of dip are called

    Text Solution

    |

  13. The resulting magnetic field at the point O due to the current carryin...

    Text Solution

    |

  14. A long straight wire of radius R carries a steady current whichis unif...

    Text Solution

    |

  15. Two circular coils of radii 10cm and 40cm are connected in series to a...

    Text Solution

    |

  16. Two thin long parallel wires separated by a distance b are carrying cu...

    Text Solution

    |

  17. A long staright wire along the z axis carries a current I in the negat...

    Text Solution

    |

  18. A charged particle is released from rest in a region of steady and uni...

    Text Solution

    |

  19. An alpha particle and proton have same velocity while entering a unifo...

    Text Solution

    |

  20. An electron mass =9xx10^(-31)kg charge=1.6xx10^(-19)C moving with a ve...

    Text Solution

    |