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A 9-kVA, 208 V, 1200-rpm, three phase, 60 Hz, Y- connected, Synchronous generator has field winding resistance of 4.5ohm. The armature winding impedance is 0.3+j5 ohms per phase. When the generator
A resistor denoted as RL is connected in parallel with the capacitor in the circuit. The loaded low-pass filter circuit.a) Derive the expression for the voltage transfer function Vo/Vi. b) At what fre
Using an ideal op amp, design an ideal integrator whose output will reach 5V in 200ms after a -0.1V dc input is connected.
A 208-V Y connected three phase synchronous motor has a synchronous reactance of 4O per phase and negligible armature winding resistance. At a certain load the motor take 7.2kW at 0.8 pf lagging.
Given the vector field F(x,y,z) = 2zi + (x+y)j - yzk. S (oriented upward) is the part of the plane x + y + z = 1 above the triangular region with vertices (0,0,0), (1,0,0) and (0,1,0) and C is the
In discussion of the silicon MOSFET development, one set of the problems that hindered the technology was surface effects, these surface effects originate from dangling bonds at the surface of silic
The base width of a npn BJT at a temperature of 300K is 4μm. If the time it takes for an electron to diffuse a distance d is t=d2/Dn, where D is the diffusion coefficient.Calculate α and &s
design a simple 4-bit binary divider , takes two numbers from only 0 to 9. This circuit will perform A/B and B > A will give zero, the answer will be just the integer part ( for example : o111 /
A 10-hp, 230 V, 60 Hz, three phase Y- connected, synchronous motor delivers full load at a power factor of 0.707 leading. The synchronous reactance of the motor is j5 Ω per phase. The rotatio
A sample of silicon contains 1x10^18/cm^3 donors. Below what temperature does it cease to show intrinsic properties if the band gap is 1.12ev and the intrinsic carrier concentration is 2x10^16/cm^3
report all design procedures, Matlab simulation results (H(jw) v.s. w), schematics and frequency response simulation results of the filter. use any circuit simulator including Orcad, Multisim and ci
If the voltage drops by 20 % , what will be the current, assuming nothing else changes If the resistance of the device were reduced by 20 % , what current would be drawn at 240 V
The message waveform uses a root-raised-cosine line code with α=1. The bandpass filter in the receiver front end has a rectangular frequency response with a bandwidth equal to the absolute ban
derive and determine the transmission reflection coefficients for a particle traveling with an energy (a) 2ev and (b) 20ev. If the block is given infinite potential and the length is expanded to 1m,
(a) determine the contact resistor that can go on the base if the length of the contact is 10 * Wb. (b) Plot the change in conductance in relation to varying the doping from 1014/cm3 to 1018/cm3 at
Calculate the potential variation V(x) , electric field and the depletion layer width for a graded p-n junction, that is one in which the doping level varies linearly with position: ND - NA = K *x.
A sample of silicon contains 1x1018/cm3 donors. Below what temperature does it cease to show intrinsic properties if the band gap is 1.12ev and the intrinsic carrier concentration is 2x1016/cm3 at 3
write an ABEL, VHDL, or Verilog Program to design a clocked synchronous state machine with 2 inputs, X and Y and one output, Z. The output should be 1 if the number of 1 inputs on X and Y, since res
Determine the max rms voltage that can be applied to the high side of the transformer without exceeding the rated_flux_density in the core if transformer is supplied by frequency of 50 Hz.
Consider the design of an optimal linear filter for a zero mean WSS random sequence whereby the sample values during the observation window are given by: (-1,0,1,2,3,3,2,1,2,3,1,-1,-2,1,0) 1. Obtain
The pulse generator circuit accepts a 16 Hz pulse and converts the signal to a 1 Hz pulse, that is, a clock signal once every second. This signal is then used to drive a counter that controls how th
Derive a sequential circuit with one input (w) and one output (z) using D flip flops that detects an input sequence of 101. Use a Moore model, and show all of your work including the state machine,
Overlapping sequences should also be detected (ie 00->11->00->11->00 should output 0 0 0 1 0 1). Use a Moore model, and show all of your work including the state machine, state table, s
The armature, frame, and core of a 12-V DC control relay are made of sheet steel. The average length of the magnetic circuit is 12 cm when the relay is energized, and the average cross section of th
A combinational circuit is defined by the following three Boolean functions. Design the circuit with a decoder and external gates. f = x y z + xz g = x y z + xy h = x yz + xy