Question: In a cryogenic experiment you need to keep a container at 125C although it gains 100 W due to heat transfer. What is the smallest

In a cryogenic experiment you need to keep a container at −125°C although it gains 100 W due to heat transfer. What is the smallest motor you would need for a heat pump absorbing heat from the container and rejecting heat to the room at 20°C?

a) 95.84kW

b) 98.84kW

c) 99.84kW

d) 97.84 kW

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