Home
Class 12
PHYSICS
A paramagentic sample shows a net mag...

A paramagentic sample shows a net magnetization of ` 8 Am^(-1)` when placed in an external magentic field of 0.6 T at a temperature of 4 k .When the same sample is placed in a external magnetic field of 0.2 T at temperature of 16 K . The magnetization will be .

A

`(32/3)Am^(-1)`

B

`2/3Am^(-1)`

C

`6 Am^(-1)`

D

`2.4 Am^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MAGNETOSTATICS

    MODERN PUBLICATION|Exercise MULTIPLE CHOICE QUESTION (LEVEL III)|2 Videos
  • MAGNETOSTATICS

    MODERN PUBLICATION|Exercise RECENT COMPETITIVE QUESTION|5 Videos
  • MAGNETOSTATICS

    MODERN PUBLICATION|Exercise MULTIPLE CHOICE QUESTION (LEVEL I)(PARAGRAPH QUESTIONS )|1 Videos
  • LAWS OF MOTION

    MODERN PUBLICATION|Exercise Revision test|43 Videos
  • MOCK TEST-1

    MODERN PUBLICATION|Exercise MCQs|47 Videos

Similar Questions

Explore conceptually related problems

The torque acting on a magnetic dipole of moment vec(p_m) when placed in a magnetic field vecB is :

A sample of a paramagnetic salt contains 2.0 xx 10^(24) atomic dipoles each of dipole moment 1.5 xx10^(-23) JT ^(-1) . The sample is placed under a homogeneous magnetic field of 0.64 T and cooled to a temperature of 4.2 K. The degree of magnetic saturation achieved is equal to 15%. What is the total dipole moment of the sample for a magnetic field of 0.98 T and a temperature of 2.8 K ? ( Assume Curie's law)

A bar magnet has a magnetic moment of 2.5 JT^-1 and is placed in a magnetic field of 0.2 T. Work done in turning the magnet from parallel to antiparallel position relative to field direction is

To shield an instrument from ah external magnetic field it may be placed in a cabinet made of :

At certain place, the horizontal component of earth.s magnetic field is 3.0 G and the angle dip at that place is 30^(@) . The magnetic field of earth at that location

A charge 2 mu C is moving at an angle of 60^(@) with respect to the magnetic field 0.2 T at a speed of 10^(4) ms ^(-1) . If the electric field 10^(3) "Vm"^(-1) is at right angles to the magnetic field then find the net field.

When is the force on a current-carrying conductor placed in a magnetic field maximum ?

MODERN PUBLICATION-MAGNETOSTATICS-MULTIPLE CHOICE QUESTION (LEVEL II)
  1. A toroid of n turns mean radius R and sectional radius a carriers c...

    Text Solution

    |

  2. The magnetic field of earth can be modelled by that of a point placed...

    Text Solution

    |

  3. A paramagentic sample shows a net magnetization of 8 Am^(-1) when ...

    Text Solution

    |

  4. A long solenoid has 1000 per meter and carries a curretn of 1A it h...

    Text Solution

    |

  5. Essential difference between electrosatic shielding by a conducting sh...

    Text Solution

    |

  6. Let the magnetic field on earth be modelled by that of a point magnet...

    Text Solution

    |

  7. In certain place H=(1)/sqrt(3) v the angle of dip at this place is

    Text Solution

    |

  8. At the magnetic north pole of the earth the value of the horizontal c...

    Text Solution

    |

  9. A bar magnet 8 cm long is placed in the magnetic meridian with the n p...

    Text Solution

    |

  10. A dip circle is so set that its needle move freeely in the magnetic me...

    Text Solution

    |

  11. Two identical magnetic dipole of magnetic moments 1.0 Am^(2) each plac...

    Text Solution

    |

  12. If a magnetic substance is kept in a magnetic field then which of th...

    Text Solution

    |

  13. A superconductor exhibits perfect

    Text Solution

    |

  14. A frog can jump higher than nmormal in a magnetic field because the ti...

    Text Solution

    |

  15. In the bhysteresis cycle the value of H needed to makle the intensity ...

    Text Solution

    |

  16. A dipole is palced parallel to the electric field if W is the work ...

    Text Solution

    |

  17. If the magnetic dipole moment of an atom of dimagnetic material par...

    Text Solution

    |

  18. What is the magnitude of the equatorial and axtal feilds due to a bar ...

    Text Solution

    |

  19. A bar magnet has a magnetic moment of 2.5 JT^-1 and is placed in a mag...

    Text Solution

    |

  20. A bar magnet is placed north south with its nort pole due north t...

    Text Solution

    |