Home
Class 12
PHYSICS
An iron rod of length L and magnetic mom...

An iron rod of length L and magnetic moment M is bent in the form of a semicircle. Now its mangnetic moment will be

A

`(2M)/( pi )`

B

`2M`

C

`(M )/(pi )`

D

Zero

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • APPENDICES ( REVISION EXERCISE )

    AAKASH SERIES|Exercise REVISION EXERCISE (MOVING CHANGES & MEGNETISM)|95 Videos
  • ALTERNATING CURRENT

    AAKASH SERIES|Exercise EXERCISE - III|24 Videos
  • APPENDICES (REVISION EXERCISE)

    AAKASH SERIES|Exercise LAW OF MOTION|128 Videos

Similar Questions

Explore conceptually related problems

An iron rod of length L and magnetic moment M is bent in the form of a semicircle. Now its magnetic moment will be

A long thin magnet of moment M is bent into a semi circle. The decrease in the magnetic moment is

A thin wire of length l and mass m is bent in the form of a semicircle as shown in the figure. Its moment of inertia about an axis joining its free ends will be

A thin wire of length l and mass m is bent in the form of a semicircle as shown in the figure. Its moment of inertia about an axis joining its free ends will be

A steel wire of length l has a magnetic moment M. It is bent into a semicircular arc. What is the new magnetic moment?

A steel wire of length l has a magnetic moment M. It is bent into a semicircular arc. What is the new magnetic moment?

A current I is flowing in a conductor of length L when it is bent in the form of a circular loop its magnetic moment

A bar magnet of magnetic moment M is bent in the form of quadrant of circular arc . The new magnetic moment is

A magnetic wire of dipole moment 4pi Am^(2) is bent in the form of semicircle. The new magnetic moment is

A bar magnet of lenth l and magnetic dipole moment 'M' is bent in the form of an arc as shown in figure. The new magnetic dipole moment will be

AAKASH SERIES-APPENDICES ( REVISION EXERCISE )-REVISION EXERCISE (MAGNETISM AND MATTER )
  1. Find the resultant magnetic moment for the following arrangement

    Text Solution

    |

  2. A bar magnet of magnetic moment M(1) is axically cut into two equal pa...

    Text Solution

    |

  3. An iron rod of length L and magnetic moment M is bent in the form of a...

    Text Solution

    |

  4. The force between two short magnets is 'F'. When the pole strengths of...

    Text Solution

    |

  5. The force between two poles is reduced to P newton, when their origina...

    Text Solution

    |

  6. Two identical spheres each of mass M and Radius R are separated by a d...

    Text Solution

    |

  7. The distance between a north pole of strength 6 xx 10^(-3)Am and a sou...

    Text Solution

    |

  8. Two north poles each of pole strength m and a south pole of pole stren...

    Text Solution

    |

  9. The magnetic induction at a distance 'd' from the magnetic pole of unk...

    Text Solution

    |

  10. The force between two short magnets is 'F'. When the pole strengths of...

    Text Solution

    |

  11. The poles of a horse-shoe magnet cach of pole strength 2A-m are at 4cm...

    Text Solution

    |

  12. Two poles of a horse shoe magnet each of pole strength 2 Am are 8 cm a...

    Text Solution

    |

  13. The length of a magnet of moment 5A m^2 is 14cm. The magnetic inductio...

    Text Solution

    |

  14. A magnet of length 10cm and magnetic moment 1 Am^2 is placed along the...

    Text Solution

    |

  15. Two identical magnetic poles each of strength 'm' are placed at the ve...

    Text Solution

    |

  16. The pole strength of a 12cm long bar magnet is 20Am. The magnetic indu...

    Text Solution

    |

  17. Two short bar magnets of magnetic moments m each are arranged at the o...

    Text Solution

    |

  18. The pole strength of a 12cm long bar magnet is 20Am. The magnetic indu...

    Text Solution

    |

  19. Two short magnets each of moment M are placed one over the other at ri...

    Text Solution

    |

  20. A short bar magnet of magnetic movement 5.25xx10^(-2)J T^(-1) is plac...

    Text Solution

    |