Home
Class 12
PHYSICS
The mass of an iron rod is 80 gm and its...

The mass of an iron rod is `80 gm` and its magnetic moment is `10 Am^(2)`. If the density of iron is `8gm//c.c`. Then the value of intensity of magnetisation will be

A

`10^(6)A//m`

B

`10^(4)A//m`

C

`10^(2)A//m`

D

`10 A//m`

Text Solution

Verified by Experts

The correct Answer is:
A
`I=(M)/(V),V=(mass)/(density)`
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM

    NARAYNA|Exercise LEVEL-II (H.W)|24 Videos

  • MAGNETISM

    NARAYNA|Exercise NCERT Based Questions|17 Videos

  • EXPERIMENTAL PHYSICS

    NARAYNA|Exercise Comprehension type|6 Videos

  • MAGNETISM AND MATTER

    NARAYNA|Exercise EXERCISE - 4 (SINGLE ANSWER TYPE QUESTION)|17 Videos

Similar Questions

Explore conceptually related problems

The mass of iron rod is 110g , its magnetic moment is 20Am^(2) . The density of iron is 8g//cm^(3) . The intensity of magntization is nearby

A magnet of magnetic moment 2*5Am^2 weighs 66g . If density of material of the magnet is 7500 kg//m^3 , find the intensity of magnetisation.

The magnetic moment produced in a substance of 1 gm is 6xx10^(-7) "ampere","metre"^(2) . If its density is 5 gm//cm^(3) , then the intensity of magnetisation in A//m will be

The magnetic moment of a magnet of mass 75 gm is 9xx10^(-7) A-m^(2) . If the density of the material of magnet is 7.5xx10^(3) kg m^(-3) , then find intensity of magnetisation is

The magnetic moment of a magnet of dimensions 4 cm xx 2 cm 1.25 cm is 3 Am m^(2) what is the intensity of magnetisation ?

NARAYNA-MAGNETISM-LEVEL-I (H.W)
  1. A short bar magnet placed with its axis at 30^(@) with a uniform exter...

    Text Solution

    |

  2. When a bar magnet is placed at 90^(@) to a uniform magnetic field, it ...

    Text Solution

    |

  3. A magnet of moment 4Am^(2) is kept suspended in a magnetic field of in...

    Text Solution

    |

  4. The work done in rotating the magnet form the direction of uniform fie...

    Text Solution

    |

  5. The work done in rotating a magnet of pole strength 1 A-m and length 1...

    Text Solution

    |

  6. The work done in turning a magnet normal to field direction from the d...

    Text Solution

    |

  7. A magnet is parallel to a uniform magnetic field. The work done in rot...

    Text Solution

    |

  8. The magnetic induction field strength at a distance 0.2 m on the axial...

    Text Solution

    |

  9. A short bar magnet of magnetic moment 1.2Am^(2) is placed in the magne...

    Text Solution

    |

  10. A very long magnet of pole strength 4 Am is placed vertically with its...

    Text Solution

    |

  11. A bar magnet of magnetic moment M and moment of inertial I is in the d...

    Text Solution

    |

  12. If the moments of inertia of two bar magnets are same, and if their ma...

    Text Solution

    |

  13. If the strength of the magnetic field is increased by 21% the frequenc...

    Text Solution

    |

  14. A bar magnet has a magnetic moment equal to 65xx10^(-5) wever x metre....

    Text Solution

    |

  15. Two bar magnets are placed in vibration magnetometer and allowed to vi...

    Text Solution

    |

  16. The magnetic induction and the intensity of magnetic field inside an i...

    Text Solution

    |

  17. The mass of an iron rod is 80 gm and its magnetic moment is 10 Am^(2)....

    Text Solution

    |

  18. A rod of cross sectional area 10cm^(2) is placed with its length paral...

    Text Solution

    |

  19. A bar magnet of magnetic moment 10Am^(2) has a cross sectional area of...

    Text Solution

    |

  20. The variation of magnetic susceptibility (chi) with temperature for a ...

    Text Solution

    |