Like air conditioning, a refrigerator pumps heat from inside the refrigerator to outside the refrigerator. The efficiencyof a refrigerator is given by the heat it removes from the inside of the refrigerator over the work done by the electricmotor:QcoldNACWwhere W is the work done by the electric motor. The maximum theoretical efficiency of a refrigerator isTcTH - TcNAC maz1. If the temperature inside the fridge is 35°F and the temperature outside is 70°F what is the maximum possibleefficiency of the refrigerator. (Hint: You need to convert both temperatures to Kelvin first. Google can dothis conversion for you.)

Answered: Image /qna-images/answer/6443fa9d-8208-46e9-91d4-abf8d1dee2df.jpg

If the temperature inside the fridge is 35°F and the temperature outside is 70°F what is the maximum possible efficiency of the refrigerator. (Hint: You need to convert both temperatures to Kelvin first. Google can do this conversion for you.)

If the temperature inside the fridge is 35°F and the temperature outside is 70°F what is the maximum possible efficiency of the refrigerator. (Hint: You need to convert both temperatures to Kelvin first. Google can do this conversion for you.)

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter4: The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 4.4CYU: Check Your Understanding A Carnot refrigerator operates between two heat reservoirs whose...

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Question

Like air conditioning, a refrigerator pumps heat from inside the refrigerator to outside the refrigerator. The efficiency
of a refrigerator is given by the heat it removes from the inside of the refrigerator over the work done by the electric
motor:
Qcold
NAC
W
where W is the work done by the electric motor. The maximum theoretical efficiency of a refrigerator is
Tc
TH - Tc
NAC maz
1. If the temperature inside the fridge is 35°F and the temperature outside is 70°F what is the maximum possible
efficiency of the refrigerator. (Hint: You need to convert both temperatures to Kelvin first. Google can do
this conversion for you.)

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