R Ram Sharma • 193.88K Points Coach General Awareness Bookmark Embed Report View In MB-Short Q. Which among the given principle is used to produce 'lowtemperatures' (A) Adiabatic demagneti-sation (B) Joule-Kelvin effect (C) Thermo-electric effect (D) Super conductivity Correct Answer - Option(A) Views: 321 Filed under category General Awareness Share
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