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For the Current and Voltage equation shown below, Whatare the amplitude, phase and frequency of the signals. Does Currentlead or lag voltage and by how much?is(t) = 57.3 cos (37[rad/sec]t + 37.3o) [A]vx(t) = 440 cos(37 [rad/sec]t + 158o) [V]
The Karina Light Company manufactures inexpensive light-emitting diode (LED) bulbs whose estimated lifetime in normal distribution with a mean of 9000 hours and a standard deviation of 500 hours. Calculate the probability that the LED will fail wit..
Under steady operating conditions, cold water at 15 oC and 200 kPa enters the water heater with a flow rate of 54 kg/min and leaves the water heater at 80 oC and 200 kPa. During its operation the water heater loses heat to its surroundings at the ..
Suppose a standard single-phase transformer that has a rating of a 15 kVA, 600V/120V, 60 Hz is reconnected as an autotransformer to obtain 600 V primary to 720 V secondary voltage ratio.
Finding values of a composite discrete time signal, A discrete time signal x(n) = x(n-1) + x(n-3) with initial conditions x(0) = 0, x(1) = 1 and x(2) = 2 is examined and the first 51
An H-bridge allows a 4 A current pulse to the drive motor. What is the average current if the duty cycle is 75% and the pulse frequency is 2 kHz
Create a state transition diagram for a simple state machine to detect a positive pulse. You choose either a Moore or Mealy machine. Write a Verilog HDL module for your state machine.
A police K-band radar is operating, with transmit power of 1000 Watts and antenna gain of 300 in linear units. The radar unit is designed to detect a target with a radar cross-section (RCS) of 6 sq. meters and its receiver can detect a signal
A half-wave plate has a phase retardation of π. Assume that the plane is oriented so that the azimuth angle (i.e., the angle between the x-axis and the slow axis of the plate) Ψ=0. a. Find the polarization state of the transmitted beam, assuming t..
A jet engine is modeled as a serial combination of a compressor, an adiabatic constant pressure combustor, and a turbine. Air (considered to have a variable specific heat) is compressed through a compression pressure ratio of 8.25:1
A windmill park produces energy at a tension level of 11kV. The park is going to be coupled up with a 11kV net not far from the park. To reduce the loss in transer the tension is tranfomred p at the parka nd down again right before coupling to the..
A DC notor is to be driven with a 20 kHz signal. Using the HCS12 PWM function, develop the c code to drive the motor at approximately 60% of its full drive level. The e clock is 24 MHz. Use channel 0.
A 240V, short shunt, cumulative compound generator is rated at 100A. The shunt field current is 3A. It has an armature resistance of 50 milli-ohm, a series field resistance of 10 milli-ohm a field diverter resistance of 50 milli-ohm and a rotation..
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