Find the required work to transfer 1200 J of heat from the sink (cold body) at -90° Ctosource (hot body) at 35°C in the case of refrigerator(а) 820 J(b) 530 J(c) 640 J(d) 580 J

The expression for the work done is given by

Answered: Find the required work to transfer 1200…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter18: Heat Engines, Entropy, And The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 49P

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Find the required work to transfer 1200 J of heat from the sink (cold body) at -90° Cto source (hot body) at 35°C in the case of refrigerator (а) 820 J (b) 530 J (c) 640 J (d) 580 J