What should be the number of turns in the secondary
A power transmission line feeds input power at 2300 V to a stepdown transformer with its primary windings having 4000 turns. What should be the number of turns in the secondary in order to get output power at 230 V?
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Determine the final temperature and the change in volume for the process. Sketch the process on a p-v diagram. Neglect changes in kineticand potential energy.
In any ac circuit, is the applied instantaneous voltage equal to the algebraic sum of the instantaneous voltages across the series elements of the circuit? Is the same true for rms voltage?
Refrigerant 134a undergoes a constant pressure process from saturated vapor at -18.8°C to a final temperature of 20°C. Determine the work for the process, in kJ per kg of refrigerant.
Determine the mass of the water and the magnitude and direction of the work and heat transfer for the process. Sketch the process on a p-v diagram.
At a hydroelectric power plant, the water pressure head is at a height of 300 m and the water flow available is 100 m3 s-1. If the turbine generator efficiency is 60%, estimate the electric power available from the plant (g= 9.8 m s-2).
Determine the final temperature of the water. Use the incompressible substance model for the water and the copper with specific heats of c of the copper = 0.385 kJ/(kg x K).
Do the same exercise as above with the replacement of the earlier transformer by a 40,000-220 V step-down transformer (Neglect, as before, leakage losses though this may not be a good assumption any longer because of the very high voltage transmis
Resolve a vector A which has a magnitude of 50 units and a direction of 210 degrees into two vetors B and C. C is to be 37.5 units and is to be directed at 75 degrees.
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult