A heat pump is to be used to heat a house during winter. The house is estimated to lose heat at a rate of 162,000 kJ/h. The outside temperature of the house is -3 °C. Consider the case for a Carnot heat pump. Determine the coefficient of performance (COP) of the heat pump.
a) 8.17
b) 9.42
c) 10.56
d) 11.89