An Ideal Carnot Engine Operating Between a Warm Reservoir of Unknown

question 42

Multiple Choice

An ideal Carnot engine operating between a warm reservoir of unknown temperature and a cold reservoir at $1.76 \mathrm {~K}$ has an efficiency of $40.0 \%$ . What is the temperature of the warm reservoir?

• A) \(106 \mathrm {~K}\)
• B) \(0.0400 \mathrm {~K}\)
• C) \(0.0500 \mathrm {~K}\)
• D) \(2.93 \mathrm {~K}\)

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