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a) A delta-connected three-phase source has a phase voltage of 220 V. It feeds a delta-connected load consisting of three identical impedances of 10/42° O each. Find the magnitude of the phase current in the load, the line current, and the total power consumed by the load.
b) Now, solve if each wire in the transmission line has a resistance of 1 O. (Hint: Use delta-Y transformation.)
What is the capacitance ratio for the capacitors with Ta2O5 and oxide/nitride/oxide dielectrics for the same thickness, provided the oxide/nitride/oxide has thickness ratio 1:1:1 for the oxide to the nitride
Determine the capacitance as a function of Ri and Ro. If the dielectric is polystyrene of relative permittivity, εr = 2.6, calculate the capacitance of an isolated conducting sphere of a radius 0.4cm(i.e., Ri=0.4cm and Ro goes to infinity).
what size capacitor should be placed in series with the series combination of 800 ohms and 20mH to give an admittance whose magnitude is 1m/ohm at w=10k rads/s
1-for an FM reciever tuned to 94.5 MHZ using high side-injection and a first IF of 10.7 MHZ, Determine the image frequency and the local oscillator
Air Enters a cooling section at 97Kpa, 35C and 30 percent relative humidity at a rate of 6m^3/min, where it is cooled until the moisture in the air starts condensing. Determine the temperature of the air at the exit and the rate of heat transfer i..
A filter with a great deal of attenuation must be placed in an amplifier chain. Ignoring all considerations other than the desire to minimize noise figure, would it be preferable to put the filter before or after a low noise amplifier Why
Using the time independent one dimensional Schrodinger equation, find the expression of the allowed energy levels for an electron in infinite potential well of width Δz= L (i.e. solve the differential equation and apply B.C. to obtain En)
a voltage divider is required to produce a 5.5V output from a 12V source. if one of the resistor values is 1.0k, what value is required for the second resistor so that the voltage across the 1.0k resistor is 5.5V
A synchronous generator is rated 1,300 MVA, 22,000 volt, three phase, 3600 rpm, 60 Hz with a synchronous reactance of 0.35 ohms per phase. The machine is delivering rated output at rated voltage and 0.94 power factor lagging.
At the beginning of each year, the cows are divided into three groups. Young heifers (aged 0 to 1 year) make up the first group. The second group consists of cows aged 1 to 2 years, and the third group consists of all cows aged 2 years or older.
A GPS receiver located at ground level simultaneously detects signals from three ground-based transmitters. The first signal, originating from Shenandoah University in Winchester, is decoded to read "the time is 10:12:07.612040".
Which one of the following statements is correct?
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