Statement I: The ferromagnetic property depends on temperature. At high temperature, ferromagnet becomes paramagnet.
Statement II: At high temperature, the domain wall area of a ferromagnetic substance increases.
In the light of the above statements, choose the most appropriate answer from the options given below

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Statement I is false but Statement II is true

Both Statement I and Statement II are false

Statement I is true but Statement II is false

Both Statement I and Statement II is true

answer is A.

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Detailed Solution

If temperature of ferromagnetic material increases beyond Curie Temperature, they become paramagnetic.

At high temperature, the domain wall disintegrates, so ferromagnetism decreases.

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