Questions
A refrigerator works between 4oC and 30oC. It is required to remove 600 calories of heat every second in order to keep the temperature of the refrigerated space constant. The power required is : (Take 1 cal : 4.2 joules)
detailed solution
Correct option is C
β=Q2W=T2T1-T2 (where Q2is heat removed) ⇒ 600×4.2W=277303-277⇒W=236.5 joule ⇒ Power =Wt=236.5 joule1 sec=236.5 watt.Talk to our academic expert!
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