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प्रश्न
Which mathematical relation expresses Weiss Law for ferromagnetic substances above the Curie temperature?
पर्याय
\[\chi_m\propto\frac{1}{T-T_C}\]
\[\chi_m\propto T-T_C\]
\[\chi_m\propto\frac{1}{T+T_C}\]
\[\chi_m\propto\frac{1}{T}\]
MCQ
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उत्तर
Weiss Law states \[\chi_m\propto\frac{1}{T-T_C}\] above the Curie temperature. The denominator is the difference between absolute temperature and Curie temperature.
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