Home
Class 12
PHYSICS
A bar magnet made of steel has a magneti...

A bar magnet made of steel has a magnetic moment of `2.5 A m^2` and mass of `6.6 xx 10^(-5) kg`. If the density of steel is `7.9 xx 10^3 kg m^(-3)`, find the intensity of magnetization of the magnet.

A

`3.0 xx 10^(6) A//m`

B

`2.0 xx 10^(6) A//m`

C

`5.0 xx 10^(6) A//m`

D

`1.2 xx 10^(6) A//m`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECTS OF CURRENT

    DISHA|Exercise physics|80 Videos
  • MECHANICAL PROPERTIES OF FLUIDS

    DISHA|Exercise Physics|28 Videos

Similar Questions

Explore conceptually related problems

A bar magnet made of steel has a magnetic moment of 2.5 A m^2 and amass of 6.6 xx 10^(-5) kg . If the density of steel is 7.9 xx 10^3 kg m^(-3) , find the intensity of magnetization of the magnet.

A bar magnetic made of steel has a magnetic moment of 2*5Am^2 and a mass of 6*6g . If density of stell is 7*9xx10^-3kg//m^3 , what is the intensity of magnetisation?

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 mass 150 g is 18 xx 10^(-3) A m^(2) . If the density of the material of magnet is 15 xx 10^(3) kg / m^(3) , then intensity of magnetization (in (A/ m^2 ) will be

A magnet weighing 70 g has a magnetic moment of 2.4 Am^2 . If the density of the material is 6,800 kg//m^3 , find the intensity of magnetization.

Depict the field-line pattern due to a current carrying solenoid of a finite length. (i) The permeability of material is measured to be 0.12 TA^(-1) m . Find the relative permeability and susceptibility? (ii) A magnet weighs 75 g and its magnetic moment is 2 xx 10^(-4) A m^2 . If the density of the material of the magnet is 7.5 xx 10^3 kg m^(-3) . Calculate the intensity of magnetism.

DISHA-MAGNETISM AND MATTER-physics
  1. The length, breadth and mass of two bar magnets are same but their mag...

    Text Solution

    |

  2. A thin magnetic needle oscillates in a horizontal plane with a period ...

    Text Solution

    |

  3. A bar magnet made of steel has a magnetic moment of 2.5 A m^2 and mass...

    Text Solution

    |

  4. A short magnet of length 4 cm is kept at a distance of 20 cm to the ea...

    Text Solution

    |

  5. A 10 cm long bar magnet of magnetic moment 1.34 Am2 is placed in the m...

    Text Solution

    |

  6. A 30 cm long bar magnet is placed in the magnetic meridian with its no...

    Text Solution

    |

  7. A long straight horizontal cable carries a current of 2.5amp. In the d...

    Text Solution

    |

  8. Which of the following is/are not the main difference between electric...

    Text Solution

    |

  9. The correct statements regarding the lines of force of the magnetic fi...

    Text Solution

    |

  10. A short bar magnet of mangetic moment 5*25xx10^-2JT^-1 is placed with ...

    Text Solution

    |

  11. A telephonic cable at a place has four long straight horizontal wires ...

    Text Solution

    |

  12. A telephonic cable at a place has four long straight horizontal wires ...

    Text Solution

    |

  13. Statement-1 : Gauss theorem is not applicable in magnetism. Statement-...

    Text Solution

    |

  14. Assertion: A compass needle when placed on the magnetic north pole of ...

    Text Solution

    |

  15. Assertion: We cannot think of magnetic field configuration with three ...

    Text Solution

    |

  16. Susceptibility of ferromagnetic substance is

    Text Solution

    |

  17. Among the following properties describing diamagnetism identify the pr...

    Text Solution

    |

  18. If the magnetic dipole of moment of an atom of diamagnetic material, p...

    Text Solution

    |

  19. When a piece of a ferromagnetic sobstance is put in a uniform magnetic...

    Text Solution

    |

  20. The given figure represents a material which is

    Text Solution

    |