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Consider a balanced three-phase system where the sources areconnected in a wye formation and the load is connected in a wyeformation with impedance ZPY for each phase. The"a" phase source voltage isVan=220<0oVrmswith a source impedance of 0Ω. The line impedance foreach phase is 1-j1Ω. If the total complexpower(S3φ) supplied by the sourceis 7260VA at a power factor of 0.6 lagging, answer the followingquestions:
A)Draw the single phase equivalent circuit.B)What is the combined realpower(P3φ) absorbed by the three-phase load and the power lines?C)What is the line current,IaA?D)What is the impedance of one phase of the load,ZPY?
A power amplifier has a gain of 15 dB and an input level of 2 volts. Assuming that the input and output impedances are the same, what is the voltage level at the amplifier output
Consider a 32-bit microprocessor whose bus cycle is the same duration as that of a 16-bit microprocessor. Assuming that, on the average, 20% of the operands and instructions are 32 bits long, 40% are 16 bits long, and 40% are only 8 bits long.
Make a table showing Temperature as a function of pressure for Psat from 20 to 600 psia every 20 psi, and another table showing pressure as a function of temperature from 150 degrees to 350 degrees every 20 degrees.
The EPROM should be mapped in a single block starting at address 0000 hex and the RAM should be mapped in a single block starting at address 8000 hex. 8051: Hardvard architecture with separate control busses for code and data memory.
A balanced Y-connected load of 100 + j50 Ohm is connected to a balanced three-phase source. If the line current is 42 A and the source supplies 12kw, determine (a) the line voltage; (b) the phase voltage.
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.
1. What is the difference between discrete system and digital system. 2. What is "baseband modulation"? What types of baseband modulation are there. 3. How does time division multiplexing work? What factors affect how many channels you can transmit.
Design a voltage-divider bias network using a supply of 24V, a transistor with a Beta of 110, and an operating point of IC = 4mA, and VCE = 8V. R2 = 7.5k. Choose VE = (1/8)VCC
Find the sample space for the experiment: Drawing bolts from a lot of 20, containing one defective D, until D is drawn, one at a time and assuming sampling without replacement, that is, bolts drawn are not returned to the lot.
Determine the Fourier Series Coefficients Ck for the output y(t) ofan LTI system with impulse response h(t)=e^(-t) u(t) to the inputx(t)=cos2t + sin3t
Design a comparator circuit that indicates when two 4-bit binary numbers are equal. Indicate with an LED when two inputs are equal. a. write the binary equations for the circuit's description. b. Using appropriate ICs, draw a schematic that implemen..
Two voltage waves of equal amplitude, V0, and frequency w, propagate in the forward z direction in a lossless transmission line of characteristic impedence Z0. One waves is phase-shifted from the other by \o radians.
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