Question
Physics Question on Refrigerators and heat pumps
The COP of a heat pump is 40% of a reversible heat pump. The operating temperatures limits are 2°C and 25°C. If 2.5 kW of heat is pumped by the heat pump in a room to be heated, then the power input to the heat pump is:
A
0.48 kW
B
0.52 kW
C
0.32 kW
D
0.61 kW
Answer
0.48 kW
Explanation
Solution
The correct option is (A): 0.48 kW