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An autotransformer with a total of 600 turns has its secondary windings embracing 200 turns. The 600 turns are connected to a 60-Hz, 2400-V driving voltage. A load connected to the secondary draws 4.8-kVA at 0.6 power factor lagging. Neglecting losses and leakage effects, determine:A) secondry voltageB) Secodary currentC) Primary currentD) power conductedE) power transformedF) the instantaneuos maximum value of the core flux
Design a Miller Integrator with a time constant of 0.1s and an input resistance of 100 k-ohms. A dc voltage of -1 volt is applied at the input at time 0, at which moment Vo= -10V. How long does it take the output to reach 0 V
Two dc motors are compared. the first one is a 4hp dc motor which draws a current or 0.7A when the field is connected to a 150V source. the second, a 600 hp motor draws a field current of 5A when the field is connected to a 300V dc source.
The specific heat capacity of glass is 840 J/(kg · C°). When identical amounts of heat are supplied to each, the glass bar reaches a temperature of 90 °C, while the other bar reaches 290.0 °C. What is the specific heat capacity of the other substa..
The load on a 460-v, 60-Hz, Y-connected, balanced three phase source consists of three equal Y connected impedance of 100-j100 Ohms and three equal delta-connected impedance of 300-j300 Ohms.
The collector current was measured for different values of load resistance. It was noticed that the collector current was pretty much constant for the first 1900 ohms and then it fell drastically.
The signal m(t)=6sin(2*pi*t) volts is transmitted using 4-bit binary PCM system. The quantizer is of the midriser type, with a step size of 1v
Calculate the minimum value of Vd if the power flow through the converter is 5 kW (a) from the ac to the dc side and (b) from the dc to the ac side.
Why does the Thevenin's technique work only for circuits with linear elements (or at most a single non-linear resistor). Figure out where the mathematics of the theorem breaks down for non-linear elements and why
Calculate the PMOS device with to acheive symmetric propagation delays in an inverter (tPLH = tPHL). Use Wn=450nm Ln =300nm and Lp=300nm and solve for Wp. So I think by some ratio I can find what Wp should be, maybe something like Wn/Ln=Wn/Lp
Design a BP filter using two-integrator topology. The center frequency is to be 10kHz with a bandwidth of 2kHz. Design to obtain a voltage gain of 26dB.
Assume you are standing atop the Engineering Research Center, holding a ketchup-filled water balloon. The dean is walking by in a bright, clean white hat, soon to arrive right underneath your perch. And temptation strikes. And is irresistible.
Assume that the cruise control system of an automobile analyzes the speed and the acceleration of the vehicle to operate. To transmit this information to the cruise control unit, an analog computer unit is required.
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