test kit during an undergraduate laboratory class in an engineering college. He conducted the experiment for a period of 30 minute and measured that the refrigerated space is maintained at -5°C, while the temperature of the laboratory is 20°C. According to his experiment, it has found that during the experiment the refrigerator draws 1 kWh of electrical energy and 40000 kJ of heat is removed from the refrigerated space. Do you think there is an error in his experiment?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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student was asked to do an experiment on a refrigerator

test kit during an undergraduate laboratory class in an engineering college. He conducted the experiment for a period of 30 minute and measured that the refrigerated space is maintained at -5°C, while the temperature of the laboratory is 20°C. According to his experiment, it has found that during the experiment the refrigerator draws 1 kWh of electrical energy and 40000 kJ of heat is removed from the refrigerated space. Do you think there is an error in his experiment?

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