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State Curie Weiss law....

State Curie Weiss law.

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The magnetic susceptibility of a ferromagnetic substance above its curie temperature is inversely proportional to the excess of temperature above Curie temperature. It is called Curie Weiss law.
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The magnetic susceptibility' of paramagnetic substances Is Inversely proportional to its absolute temperature Define curie- weiss law.

State Curie's law.

Knowledge Check

  • Assertion : A paramagnetic sample has more magnetisation for the same applied magnetising field when cooled. Reason : Paramagnetic substances obey Curie's law.

    A
    If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
    B
    If both Assertion and Reason are true but Reason is not correct explanation of Assertion
    C
    If Assertion is true but Reason is false
    D
    If both Assertion and Reason are false.

  • Statement I : Aparamagnetic sample has more magnetisation for the same applied magnetising field when cooled Statement II : Paramagnetic substances obey Curie's law.

    A
    Statement I is True, Statement II is True, Statement II is a correct explanation for Statement I
    B
    Statement I is True, Statement II is True, Statement II is not a correct explanation for Statement I
    C
    Statement I is True, Statement II is False.
    D
    Statement I is False, Statement II is True.

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