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A shunt regulator utilizing a zener diode is biased on through a 100 ? resistor. Determine the change in the regulated output voltage for the two situations below:
a) VI changes +2.0 V, ILoad constant
b) ILoad changes +100 mA, VI constant
Given: VZ = 6.8 V at IZtest = 5 mA, assume rz = 15-ohm and is constant over IZ
Three Single-Phase two-winding transformers, each rated 25 MVA, 38.1/3.81 kV, are connected to form a three-phase Wye-Delta bank with a balanced Y-connected resistive load of 0.6 ohms per phase on the low-voltage side.
In a CDMA system, user A transmits using the Walsh code (-1 1 -1 1 -1 1 -1 1) and user B transmits using the Walsh code (-1 -1 11 -1 -1 1 1), respectively. Show the output at the receiver if A transmits a data bit 0 and B transmits a data bit 0.
two loads connected in parallel are supplied from a single phase 240v rms source. the two loads draw a total real power of 400 kw at a power factor of 0.8 lagging. one of the loads draws 120 kw at a power factor of 0.96 leading.
A semicircular current elment of radius b is positioned in the x-y plane and has its center at the origin. A second long current element is placed along the coordinate y= -b. If current magnitude I flows through each element in clockwise direction..
Control Systems and Laplace Transformations, What is the step response of a system whose transfer function has a zero at -1, a pole at -2 and a gain factor of 2?
(1) What does the words leads and lag represent in factor In waveform (2) How would you change the power factor if you needed to
Sketch the DFT(discrete fourier transform)for a square wave with frequency 1Hz and 10 Hz given N=64 and SR(sample rate)=128. Make sure to label your axes.
A DC source of 48V is connected to one end of the cable. The other end of the cable supplies a DC load. If the load current is 12.5 A, calculate the voltage drop due to the cable resistance and the laod voltage.
When the starter motor, which draws 90A, is running the terminal voltage drops to 11V. What is the internal resistance of the battery What percentage of the chemical power is delivered to the starter motor
Calculate the efficiency of transmission at the IP level. Assume no options for the header and no errors. Calculate the efficiency of transmission at the data link layer. Assume no options for IP header and Ethernet-II format are used at the d..
(a) Find the locus of the closed-loop roots (poles) with respect to K; (b) Is there a value of K that will cause all roots to have a damping ratio greater than 0.5 (c) Find the values of K that yield closed-loop poles with the damping ratio
4. Your measurement device samples data every 0.1 minute. What is the heart rate you will measure 5. How will your measurement change if the sampler period goes down to 0.01 minute 6. How will your measurement change if the sampler period goes up to ..
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