Physics, 23.10.2021 14:00, bernicewhite156
. Consider a circuit where a capacitor C = 2.56µF is charged by an emf ε = 13.5 V. It is charged and discharged through a series resistor R = 4.70 kΩ. 1. The time it would take for the capacitor to be charged to 80% of its maximum charge is
Answers: 3
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4r-134a enters the condenser of a residential heat pump at 800 kpa and 50°c at a rate of 0.022 kg/s and leaves at 750 kpa subcooled by 3°c. the refrigerant enters the compressor at 200 kpa superheated by 4°c determine (a) the isentropic efficiency of the compressor, (b) the rate of heat supplied to the heated room, and (c) the cop of the heat pump. also, determine (d) the cop and rate of heat supplied to the heated room if this heat pump operated on the ideal vapor-compression cycle between the pressure limits of 200 and 800 kpa. (0.757, 4.37 kw, 5.12, 6.18, 3.91 kw)
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. Consider a circuit where a capacitor C = 2.56µF is charged by an emf ε = 13.5 V. It is charged and...
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