Question
Whichofthefollowingprincipleisused to produce
low-temperatures'?Solution
Magnetic refrigeration is a cooling technology based on the magneto- caloiic effect. This technique can be used to attainextremelylowtemperatures,aswellasthe rangesusedincommonrefrigerators,depending on the design of the system. The magneto- caloriceffect(MCE,frommagnetandcalorie)is a magneto-thermodynamic phenomenon in which a change in temperature of a suitable material is caused by exposing the material to a changing magnetic field.
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