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A 600V, 150hp, DC series motor operates at it's full-ratedload at 600 RPM. The armature resistance is 0.12 ohms and theseries field resistance is 0.04 ohms. The motor draws 200A at full load.A) Determine the armature voltage Ea atfull-load. B) Determine the armature-developed power Pdev and intenal-developed (induced) torque in Nm. C) Assume that a change in load results in the line currentdropping to 150A; determine the new speed in RPM and the newdeveloped torque Tdev .
Consider a pn junction diode biased at I(D) = 1mA. A sinusoidal voltage is superimposed on V(D) such that the peak-to-peak sinusoidal current is 0.05I(D). Find the value of the applied peak-to-peak sinusoidal voltage if n = 1.5. Repeat problem for..
The output of the power supply should be a 5 Vdc with no more the 5 mV peak-peak ripple. 3) The output must be galvanically (transformer) isolated from the input, but NO 60 Hz transformers are to be used. 4) The load can be assumed purely resistiv..
The open circuit test on a single-phase 15kVA, 7500/480 V, 60 Hz distribution transformer yielded the following: V = 7500V; I = 0.2006A; P = 180W Calculate the core parameters RC and XM and the magnetizing current IM.
In a series RLC circuit, if we have VR(peak to peak) across resitor and Vin(peak to peak) across source and delta T(difference in phase shift in seconds) at a frequency. How can we find magnitude of transfer function at that frequency
The department of energy projects that between the years 1995 and 2010, the united states will need to build new power plants to generate an additional 150,000MW of electricity to meet the increasing demand for electric power.
Design an 8085 microprocessor system that has a total of 4Kx8 EPROM space using a single 4Kx8 chip and a total of 4Kx8 RAM using two 2Kx8 chips. The EPROM should be mapped starting at address 0000 hex
A system is called complex if a real-valued input can produce a complex-valued output. Suppose a linear, time-invariant complex system has an impulse response of h(t)= j[u(-t+2)-u(-t)]
A solenoid of length=0.7 m and radius R=5cm stores an amount of energy U=6x10^-6 J when a current I=0.4 A passes through it. What is the winding density of the solenoid
A wye-connected balanced three-phase source is feeding a balanced three phased load. the phase voltage and the phase current of the source are v(t)=340sin(377t+0.5236) V i(t)=100sin(377t+0..87266) V
The Russian president and the Chinese counterpart need to come to an agreement by telephone. Neither can speak and understand each other's language. They need to employ translators. Compare this layered communication to OSI layers
Design a circuit that will multiply the input voltage by +12. That is the output voltage is 12v1 where v1 is the input voltage. All resistors should be at least 12ohms.
What is the BER at the output of the receiver in clear air conditions, and the average time between errors? Give your answer in years, days, or hours as appropriate. Assume an implementation margin of 0.5 dB.
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