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Q. A 100-kVA, 2300:230-V, 60-Hz, single-phase transformer has the following parameters: R1 = 0.30 , R2 = 0.003 , RC1 = 4.5k, X1 = 0.65 , X2 = 0.0065 , and Xm1 = 1.0k, where subscripts 1 and 2 refer to high-voltage and low-voltage sides, respectively. Set up the equivalent T-circuit of the transformer and determine the input current, input voltage, input power, and power factor when the transformer is delivering 75 kW at 230 V and 0.85 lagging power factor.
Aloudspeaker is a common electrochemical transducer in which vibration is caused by changes in the input current to a coil which, in turn, is coupled to a magnetic structure that c
Both GSM and DECT use GMSK, but with different Gaussian filters (BGT = 0.3 in GSM, BGT = 0.5 in DECT). What are the advantages of having a larger bandwidth time product? Why is the
Disadvantages
Experiment • Wire the circuit shown in Figure. Connect the three oscilloscope channels as shown in Figure. • Select the sinusoidal waveform. Adjust the frequency of the input volt
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The site 450 kVA load is actually a three-phase, six pulse thyristor rectifier feeding a dc bus. Assuming that the voltage waveform at the site 11 kV bus is purely sinusoidal, calc
Q. Given the following truth table: (a) Realize the function f by a K map using 0s. (b) Realize the function f by a K map using 1s.
Binary Subtraction Negative numbers are represented in 2 complement form and subtraction is also per formed using 2 complement method in microprocessor. Hence we will dis
a. Describe why a three-phase induction motor rotates always with a speed less than the synchronous speed. b. State the principle of operation of a capacitor start single-phase
Q. Basic working of Star Topology? In Star topology, all user nodes are connected to central node point that interconnects all individual users links and nodes. Data flows from
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