Home
Class 12
PHYSICS
Why does a paramagnetic sample display g...

Why does a paramagnetic sample display greater magnetisation (for the same magnetising field) when cooled?

Text Solution

Verified by Experts

This a becauses at lower temperature, the tendency to disrupt the alignment of dipoles (due to magnetising field) decreases on account of reduced random thermal motion.
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM AND MATTER

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise Textual Exercises|27 Videos
  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise SAQs|4 Videos
  • MOVING CHARGES AND MAGNETISHM

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise ADDITIONAL EXERCISES|26 Videos

Similar Questions

Explore conceptually related problems

Would the maximum possible magnetisation of a paramagnetic sample be of the same order of magnitude as the magnetisation of a ferromagnet ?

If M is the magnetic moment, mu is the magnetic permeability and H is the intensity of magnetising field, then the dimensional formula for mu MH is

Why does Mn(II) show maximum paramagnetic character among the bivalent ions of the first transition series?

Why is 'NO' paramagnetic in nature ? When does it become diamagnetic ?

A Rowland ring of mean radius 15 cm has 3500 turns of wire wound on a ferromagnetic core of relative permeability 800. What is the magnetic field B in the core for a magnetising current of 1.2 A ?

Why does a heavy rifle not recoil as strongly as a light rifle using the same catridges ?

(A): The induced e.m.f. and current will be same in two identical loops of copper and aluminium, when rotated with same speed in the same magnetic field. (R) : Induced e.m.f. is proportional to rate of change of magnetic field while induced current depends on resistance of wire

Magnetic field lines show the direction (at every point) along which a small magnetised needle aligns (at the point). Do the magnetic field lines also represent the lines of force on a moving charged particle at every point ?

VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-MAGNETISM AND MATTER-Additional Exercises
  1. Why does a paramagnetic sample display greater magnetisation (for the ...

    Text Solution

    |

  2. Why is diamagnetism, in contrast, almost independent of temperature?

    Text Solution

    |

  3. If toroid uses bismuth for its core, will the field in the core be (sl...

    Text Solution

    |

  4. Is the permeability of a ferromagnetic material independent of the mag...

    Text Solution

    |

  5. Magnetic field mass lines are always nearly normal to the surface of a...

    Text Solution

    |

  6. Would the maximum possible magnetisation of a paramagnetic sample be o...

    Text Solution

    |

  7. Explain qualitatively on the basis of domain picture the irreversibili...

    Text Solution

    |

  8. The hysteresis loop of a soft iron piece has a much smaller area than ...

    Text Solution

    |

  9. A system displaying a hysterisis loop such as a ferromagnet, is a devi...

    Text Solution

    |

  10. What king of ferromagnetic material is used for coating magnetic tapes...

    Text Solution

    |

  11. A certain region of space is to be shielded from magnetic fields. Sugg...

    Text Solution

    |

  12. A long straight horizontal cable carries a current of 2.5 A in the dir...

    Text Solution

    |

  13. A telephone cable at a place has four long straight horizontal wires c...

    Text Solution

    |

  14. A compass needle free to turn in a horizontal plane is placed at the c...

    Text Solution

    |

  15. A magnetic dipole is under the influence of two magnetic fields. The a...

    Text Solution

    |

  16. A monoenergetic (18 keV) electron beam initially in the horizontal dir...

    Text Solution

    |

  17. A sample of paramagnetic salt contains 2.0 xx 10^(24) atomic dipoles e...

    Text Solution

    |

  18. A Rowland ring of mean radius 15 cm has 3500 turns of wire wound on a ...

    Text Solution

    |

  19. The magnetic moment vectors vecmus and vecmul associated with the intr...

    Text Solution

    |