Physics Unit15: Laws of Thermodynamics (id: 9e0bc0a9a)

本题目来源于试卷: Physics Unit15: Laws of Thermodynamics，类别为 通用国际物理

[单选题]
If the theoretical efficiency of a vgyws;4.;r a 4s b vow/rot;:qCarnot engine is to be 100%, the heat sink rt e a45t) ee/zglu0j*must e0 ea5*/gr )t uzej4ltbe

A. at absolute zero.
B. at $0 ^{\circ}C$.
C. at $100 ^{\circ}C$.
D. infinitely hot.


参考答案:  A


本题详细解析: 暂无

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