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Which outcome occurs when the ideal Carnot cycle operates in reverse?

A)Heat pump creates cooling effect
B)Efficiency reaches theoretical maximum
C)Entropy of system always increases
D)Net work done becomes zero

💡 Explanation

A reversed Carnot cycle implements a heat pump due to the reversed thermodynamic process; rather than producing work, it transfers heat absorbing it from a cold reservoir causing cooling, therefore heat is pumped, rather than a zero work effect.

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