Multiple Choice
Electric heaters can operate at efficiencies very close to 100%. This does not contradict the fact that Carnot engines are the most efficient heat engines because
A) electric heaters have very low temperature exhaust.
B) electric heaters reduce the total entropy of a room.
C) Carnot engines cannot be used to heat things.
D) electric heaters are not heat engines.
Correct Answer:
Verified
Correct Answer:
Verified
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