For a standard system with temperatures T1 and T2, where T1 < Ta < T2 – McqOptions

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1.	For a standard system with temperatures T₁ and T₂, where T₁ < T_a < T₂ (T_a Atmospheric Temperature). Q₁ is the heat extracted from a body at temperature T₁, and Q₂ is heat delivered to the body at temperature T₂. What is the C.O.P. of the heat pump for given conditions?
A.	Q<sub>2</sub> / (Q<sub>2</sub> Q<sub>1</sub>)
B.	(Q<sub>2</sub> Q<sub>1</sub>) / Q<sub>1</sub>
C.	(Q<sub>2</sub> Q<sub>1</sub>) / Q<sub>2</sub>
D.	Q<sub>1</sub> / (Q<sub>2</sub> Q<sub>1</sub>)
Answer» B. (Q<sub>2</sub> Q<sub>1</sub>) / Q<sub>1</sub>

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