Home
Class 12
PHYSICS
If two identical thin bar magnets having...

If two identical thin bar magnets having length l and pole strength m are placs at right ngle to each other in such a manner that south pole of one touches north pole of other. Then their resultant magnetic moment is :

A

`sqrt2 `ml

B

1 ml

C

0.5 ml

D

2 ml

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • LINEAR MOMENTUM FORCE

    MBD PUBLICATION|Exercise QUESTION BANK|227 Videos

  • MECHANICAL PROPERTIES OF FLUID (LIQUID AT REST)

    MBD PUBLICATION|Exercise QUESTION BANK|303 Videos

Similar Questions

Explore conceptually related problems

Two identical thin bar magnets each of pole strength 'm' and magnetic length are placed at 90^@ to each other with north pole of one magnet touching the south pole of the other magnet. The magnetic moment of the system is

MBD PUBLICATION-MAGNETISM AND MATTER-QUESTION BANK
  1. A bar magnet of magnetic moment (M) is cut into two parts of equal len...

    Text Solution

    |

  2. If a bar magnet of magnetic moment 80 units be cut into two halves of ...

    Text Solution

    |

  3. If two identical thin bar magnets having length l and pole strength m ...

    Text Solution

    |

  4. points A and B are situated along the extended axis of a 2cm long bar ...

    Text Solution

    |

  5. The magnatic potential due to a short magnetic dipole is 10^-4 (Wb)//m...

    Text Solution

    |

  6. The magnetic moment of a magnet is 5Am^2 . If the pole strength is 25 ...

    Text Solution

    |

  7. For a bar magnet the magnetic length is 10cm. Then ii's geometric leng...

    Text Solution

    |

  8. The magnetic potential at a point on the axial line of a bar magnet di...

    Text Solution

    |

  9. A substance that attracts pieces of iron and steel is callled a magnet...

    Text Solution

    |

  10. Hardended steel and certain magnutude alloys (e.g. cobalt, steel , tu...

    Text Solution

    |

  11. When iron or steel retain their magnetism so long maagnetising force ...

    Text Solution

    |

  12. The name magnet was derived from (Fe2O3) found near a city called ?

    Text Solution

    |

  13. What we call if two unlike poles of equal strength separated by small ...

    Text Solution

    |

  14. What is the amount of magnetic flux density at the axial line of magne...

    Text Solution

    |

  15. What is the amount of magnetic flux density on the equalorial line of ...

    Text Solution

    |

  16. What's the relation between Baxial and Bequtl ?

    Text Solution

    |

  17. What's the expession for torque on a bar magnet in a uniform magnetic ...

    Text Solution

    |

  18. The potential energy of a dipole in a magnetic field is given by ?

    Text Solution

    |

  19. The work done is rotating a magnetic dipole moment in uniform magnetic...

    Text Solution

    |

  20. The mathematical form of Guass's law can be expressed as.

    Text Solution

    |