Physics, 22.08.2021 02:20 guardhic7165
If the lamp in problem 7 is connected to a 240-volt supply, what is the new value of
current? (Assume there is no change in resistance as the temperature of the lamp
changes.)
Answers: 2
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The substances that are necessary for producing of certain hormones and that store and transport vitamins
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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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What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 ∘c/m.
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If the lamp in problem 7 is connected to a 240-volt supply, what is the new value of
current? (Ass...
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