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Question 12 (2 points) Listen A heat pump receives 10 J of work and extracts 20 J of heat from a cold reservoir. Find the

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Question 12 (2 points) Listen A heat pump receives 10 J of work and extracts 20 J of heat from a cold reservoir. Find the coefficient of the heat pump. 0.50 1.3 2.0 0.75Question 13 (2 points) Listen The following graph shows the voltage applied to a device and the current through it. Find the resistance of the device. 107 6 Voltage [V] 4- 0 2 3 Current [A]

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