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A 500-kVA transformer is at full load and 0.60 lagging power faactor. A capacitor bank is added, improving the power factor to 0.90 lagging. After improvement, what percent of rated kVA is the transformer carrying?
The springs effect is addressed below. As a relay some contacts are connected to, and move with, the armature. Other contacts are stationary and would make or break contacts as the armature moves.
Given a four-volt peak to peak square wave, calculate the mean-square error in approximating the wave by only its fundamental sinusoidal component. Assume the average value is zero (no DC offset).
Using the IIR digital filter design, determine the difference equation to generate a single 852 Hz tone with a sampling frequency of 8000Hz
consider a 5 bit binary sequence. A one or zero is equally likely for each bit. Also each bit is statistically independent of the others. Let X be a random variable denoting the number of one in the sequence. Find the density and distribution of X
a) Draw the state diagram for a FSM that detects the sequence r = 0101 (without overlaps). b) The FSM in part a can beimplemented with 3 FFs. Assume the state assignments are A = 000, B= 001, C = 100, D = 110
F(A,B,C,D)=Σ(0,2,3,4,6,7,10,11) and G(A,B,C,D)=Σ(0,4,8,9,10,11,12,13) Consider that the functions are to be implemented as part of the same circuit. Show k-maps that reduce the total number of gates needed. How many gates are required
compute the money saved in one month by using CFL (compact fluorescent light) bulb (18 W) instead of using an incandescent lamp (60 W) if the cost of electricity is $.12 per kWh. Assume lights are used for 10 hours a day. (30 days in the month)
Using data from the data sheets of the MAX505 DAC, and the various temperature coefficient of DAC errors specified at 25 degrees Centigrade, calculate the total Worst Case Error for a temperature deviation of 45 degrees Centigrade.
In class we saw an example of 'Beat note'. In this problem we consider a more general case. Let fc > 0, fd > 0 and define a signal x as.
Air is to be compressed from atmospheric pressure at 60oF to 100 psia in a centrfugal compressor (isentropic efficiency about 0.7). The flow rate will be 500 lbm/min. Specify the horsepower required for the driving motor
A silicon semiconductor resistor is in the shape of a rectangular bar with a cross sectional area of 1x10^-6 cm^2 a length of 0.1 cm and is doped with a donor concentration of 5x10^16 cm^-3.
Explain in detail on the fabrication process of the FINFET. You must show a 3-dimensional view of FINFET and label the its L and W, the length and width of the gate.
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