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]
The coefficient of performance (COP) of a 3b7i -/nkwb jsq((t5uqgja * aheat pumpgut 1 h2jp* fon8:e9uj5z dsew(qe re.cu85m( is defined as the ratio of
A. the heat delivered to the inside to the heat taken from the outside.
B. the heat taken from the outside to the heat delivered to the inside.
C. the heat delivered to the inside to the work done to move the heat.
D. the heat taken from the outside to the work done to move the heat.
参考答案: C
本题详细解析:
暂无
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