(1f). (3p) The thermal efficiency of an actual power cycle A and a reversible power cycle Bworks under same hot (H) and cool reservoir (C) are 7, and 78, respectively. Please circle whatsatisfies the Carnot Principle: (A) Na >NB• (B) Na =NB· (C) Na<NB• (D) Cannot be decided based on the information provided.

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