Home
Class 11
PHYSICS
A thin bar magnet of length 2 l and brea...

A thin bar magnet of length 2 l and breadth 2 b pole strength m and magnetic moment M is divided into four equal parts with length and breadth of each part being half of original magnet.
Then, the magnetic moment of each part is

A

`M//4`

B

M

C

`M//2`

D

2 M

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    DISHA|Exercise PHYSICS|40 Videos
  • MECHANICAL PROPERTIES OF FLUIDS

    DISHA|Exercise Physics|44 Videos

Similar Questions

Explore conceptually related problems

If a magnet of pole strenth m is divided into four parts such that the length and width of each part is half that of initial one, then the pole strength of each part will be

A bar magnet of magnetic moment M is cut into four parts of equal length. The magnetic moment of each part is

The magnetic moment of bar magnet of length ' "2l and pole strength 'm' is

A magnet of length 2l and pole strength m is divided in two equal parts along its length. What is magnetic moment of each part?

A magnet of magnetic moment M and pole strength m is divided in two equal parts, then magnetic moment of each part will be

A magnet of length 2l and pole strength m is equally divided in two parts, perpendicular to its length. What is the magnetic moment of each?

When a bar magnet of pole strength 'm' and magnetic moment 'M' is cut into n equal parts longitudinaly and transversely then pole strength and magnetic moment of each piece is respectively

A bar magnet of magnetic moment 20 Am^(2) is divided into two equal parts by cuting it along its axis. The magnetic moment of each part will be

If the magnet is cut into four equal parts such that their lengths and breadths are equal . Pole strength of each part is

DISHA-MAGNETISM AND MATTER-PHYSICS
  1. A magnetic needle is kept in a non uniform magnetic field . It experie...

    Text Solution

    |

  2. Needles N(1) , N(2), and N(3) are made of a ferromagnetic, a paramagne...

    Text Solution

    |

  3. Figure shows a small magnetised needle P placed at a point O. The arro...

    Text Solution

    |

  4. A dip needle lies initially in the magnetic merdian when it shows an a...

    Text Solution

    |

  5. Two tangent galvanometers having coils of the same radius are connecte...

    Text Solution

    |

  6. Following figures show the arrangement of bar magnets in different con...

    Text Solution

    |

  7. A compose needle which is allowed to move in a horizontal plane is tak...

    Text Solution

    |

  8. If a magnetic dipole of moment M situated in the direction of a magnet...

    Text Solution

    |

  9. A bar magnet is oscillating in the earth's magnetic field with a perio...

    Text Solution

    |

  10. The magnetic field of earth at the equator is approximately 4 x× 10^(-...

    Text Solution

    |

  11. The relative permeability of a medium is 0.075. What is its magnetic s...

    Text Solution

    |

  12. A dip circle is adjusted so that its needle moves freely in the magnet...

    Text Solution

    |

  13. The mid points of two small magnetic dipoles of length d in end-on pos...

    Text Solution

    |

  14. At a temperature of 30^(@)C, the susceptibility of ferromagnetic mater...

    Text Solution

    |

  15. The susceptibility of annealed iron at saturation is 5500. Find the pe...

    Text Solution

    |

  16. A short magnet oscillates in an oscillation magnetometer with a time p...

    Text Solution

    |

  17. A permanent magnet in the shape of a thin cylinder of length 10cm has ...

    Text Solution

    |

  18. The earth’s magnetic field lines resemble that of a dipole at the cent...

    Text Solution

    |

  19. The coercitivity of a small magnet where the ferromagnet gets demagnet...

    Text Solution

    |

  20. A thin bar magnet of length 2 l and breadth 2 b pole strength m and ma...

    Text Solution

    |