Q.

Above the Curie temperature, the susceptibility of a ferromagnetic substance varies

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a

directly as the absolute temperature

b

inversely as the square of absolute temperature

c

inversely as the absolute temperature

d

directly as the square of absolute temperature

answer is B.

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Detailed Solution

Above the Curie temperature, ferromagnetic substance become paramagnetic in nature. So, its susceptibility varies inversely as the absolute temperature

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