Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)

Published by Pearson
ISBN 10: 0133942651
ISBN 13: 978-0-13394-265-1

Chapter 21 - Heat Engines and Refrigerators - Exercises and Problems - Page 595: 23

Answer

a) Refrigerator c violates first law of thermodynamics as energy is not conserved in it. b) All three obeys second law of thermodynamics as in every refrigerator work is done to extract heat from cold body.

Work Step by Step

a) Refrigerator c violates first law of thermodynamics as energy is not conserved in it. b) All three obeys second law of thermodynamics as in every refrigerator work is done to extract heat from cold body.
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