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Q. A balanced wye-connected load with a per-phase impedance of 4 + j3 is supplied by a 173-V, 60-Hz three-phase source.
(a) Find the line current, the power factor, the total volt-amperes, the real power, and the reactive power absorbed by the load.
(b) Sketch the phasor diagram showing all the voltages and currents, with ¯VAB as the reference.
(c) If the star point of the load is connected to the system neutral through an ammeter, what would the meter read?
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Q. Discuss the output waveforms for a differentiating circuit. The output waveform from a differentiating circuit depends upon the time constants and shape of the input wave.Th
what is finger voltage
Design a low noise amplifier using an Infineon RF transistor BFP640. The amplifier is to be used to amplify the L2 GPS signal and so the centre frequency is 1227MHz and bandwidth 4
Discuss about signal distortion in optical waveguides Ans: The major reason for signal distortion within optical waveguide is dispersion. Dispersion of the transmitted
Forward bias In forward bias, the p-type is linked with the positive terminal and the n-type is linked with the negative terminal.In forward bias mode the PN junction operati
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Explain junction transistors (npn and pnp). Junction Transistor: This transistor consists of two p-n junctions combined in one crystal as demonstrated in figure below.
Why maximum power output is given by a machine at an efficiency of 50 percent?
E l e c t r ons and Holes For T> 0 K, there would be some electrons in the otherwise empty conduction band, and some empty states in the otherwise filled valence ban
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