Consider home appliance fridge as an ideal refrigerator, wherein a refrigerant exchanges heat with a high-temperature (HT) reservoir and a low-temperature (LT) reservoir as a result of work. ( a) Discuss whether it is a good idea to cool your room by opening the fridge. (b) Explain the key difference between the fridge and AC. Support answers to both questions by discussing the HT and LT reservoirs and the corresponding heat exchanges (QH and QL)