You Can Vary the Efficiency of a Carnot Engine by Varying

question 2

Multiple Choice

You can vary the efficiency of a Carnot engine by varying the temperature of the cold reservoir while maintaining the hot reservoir at constant temperature. The curve that best represents the efficiency of such an engine as a function of the temperature of the cold reservoir is

• A) 1
• B) 2
• C) 3
• D) 4
• E) 5

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