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consider the dual circuit where the value of the inductor is L=1H, the initial current in the inductor is iL(0)=-1amps, and the input is the source vs(t). Let vs(t)=u(t)=u(t-1). Plot the corresponding current iL(t) for all times. Double the voltage source vs(t)=2[u(t)-u(t-1)], and plot the corresponding current in the inductor iL(t) for all times. Compare the two currents and determine if the inductor with the initial current is linear. What if iL(0)=0?
A 300-km bundled 500-kV, 60-Hz, three-phase completely transposed overhead line has three ACSR 1351-kcmil conductors per bundle, with the bundle spacing 0.5 m. The horizontal phase spacings between bundle centers are 10, 10, and 20 m.
Consider a disk that is scheduled using the Shortest Seek First (SSF) policy. At time t, let the disk have the following requests in its queue: Request Cylinder R1 45 R2 39 R3 49 R4 52 R5 69 R6 35 R7 3 R8 66.
Write an assembly language program to turn the stepper motor. Start a new project. Set bits 1 to 4 of PORT P ($25A) to 1 (output direction) Do not set bits 0, and 5-7, setting these bits may produce unexpected results.
A 25 MVA, three phase, 13.5kV, Y-connected, two pole, 60 Hz synchronous generator was tested by the open circuit test and short circuit test and tabulated in table 1. If the armature resistance is 0.24 ohms per phase
A special external data signal (DATA_READY) is asserted whenever each of the bits for X are available. In addition, another special signal (ENCODE) is asserted during the transmission of the data X indicating whether 2X+3 or 3X+1 should be compute..
A three-phase transmission line is 80 mile long and serves a load of 250 MW at 220 KV and 0.8 power factor lagging. The A, B, C, D constants for the line in each phase are: Determine the sending end voltage and current
a bar of n-type germanium and we place an E field going to the right across it and create a pulse of excess minority carriers (holes) in the center of the bar at time t=0. In other words we are performing the Haynes Shockley Experiment on the bar
A 60 kVA, three-phase, wye-connected, 440 V, 60 Hz synchronous generator has a resistance of 0.15ohm and a synchronous reactance of 3.5ohm per phase. At rated load and unity power factor, calculate the percent voltage regulation.
A) Design a low-pass filter with a cutoff frequency of 12 kHz. Use 0.15 uF capacitor and an appropriate resistor. B) Sketch and label the circuit. C) What is the gain of the filter at a frequency of 20 kHz Give your answer both as ratio (Vout/Vin) an..
A new phone company wants to provide very cheap voice-only cell phone capability to 200,000 simultaneous users in San Francisco. They transmit only 8kbs per duplex channel using FDMA (frequency division multiple access) and BPSK (1 bit/Hz).
1- Draw a circuit whose output goes to + V sat . When the input signal is below -4V. the output should be -V sat, when the input is above - 4V 2- Design a - 90 phase shift circuit at 1590 Hz , Then for your design calculate 0 at 15 Hz, & 15 KHz
The maximum radius a falling liquid drop can have without breaking apart is given by the equation: R = sqrt((sigma/gp)) where sigma is the liquid surface tension, g is the acceleration due to gravity, and p is the density of the liquid.
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