Which of the following principleis used to produce ‘low-temperatures’ ...? Mcqs

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💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which of the following principleis used to produce ‘low-temperatures’ ...?

(A) Super conductivity

(B) Joule-Kelvin effect

(C) Thermo-electric effect

(D) Adiabatic demagneti-sation

✅ Correct Answer: Adiabatic demagneti-sation

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Source: This question is taken from the Everyday Science

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