In electronics, the formula v = ir is called ohm's law. it gives the relationship in a circuit between the voltage v (in volts), the current i (in amperes), and the resistance r (in ohms). find r when i = 5 − 3i amperes and v = 21 + i volts. (simplify your answer completely. enter your answer in a + bi form.)
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Physics, 21.06.2019 19:30
Porque crees que el agua no podia subir mas de 10 m de altura con ese tipo de bomba
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Physics, 22.06.2019 03:30
As part of an industrial process, air as an ideal gas at 10 bar, 400k expands at steady state through a valve to a pressure of 4 bar. the mass flow rate of air is 0.5 kg/s. the air then passes through a heat exchanger where it is cooled to a temperature of 295k with negligible change in pressure. the valve can be modeled as a throttling process, and kinetic and potential energy effects can be neglected. (a) for a control volume enclosing the valve and heat exchanger and enough of the local surroundings that the heat transfer occurs at the ambient temperature of 295 k, determine the rate of entropy production, in kw/k. (b) if the expansion valve were replaced by an adiabatic turbine operating isentropically, what would be the entropy production? compare the results of parts (a) and (b) and discuss.
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Physics, 22.06.2019 07:20
If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =
Answers: 1
In electronics, the formula v = ir is called ohm's law. it gives the relationship in a circuit betwe...
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