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A Y-connected load with an impedance of 12 - j15 per phase is connected to a balanced Delta-connected 208-V, 60-Hz, three-phase, positive phase-sequence supply. Determine (a) the line and phase voltages, (b) the line and phase currents, and (c) the apparent, active, and reactive powers in the load. Draw the phasor diagram and the power diagram.
Does the degree of difficulty change when switch from solving a two loop mesh circuit to a three loop mesh circuit Why and why not
1)Design the following function in BiCMOS using the least amount of transistors (RTL not allowed). z= (AB)' + (CD)' 2)Calculate the Emitter current through a loading Resistance of 10k such that VOH=2.3V.
A linear-phase FIR filter should be designed with the ideal magnitude response shown in Figure 1 which represents an narrow band-pass filter. The lower cutoff frequency, fL , is 2,000 Hz, and higher cutoff frequency, fH , is 3,600 Hz.
What is bit rate of the transmission on the twisted pair? If the digital outputs of three identical video cameras are combined onto a single cable using time division multiplexing, what is the bit rate on the cable?
A DSSS-CDMA signal has a chip sequence that is 10,000 chips in length. The sequence repeats every millisecond. What is the chip rate?
(b) If the molecular weight of bombykol is 238.4 amu, what is the molecular formula (c) If 5.698 g of bombykol is burned in excess oxygen to form 16.83 g of CO2 and 6.452 g of H2O, how many grams of carbon were present in the original sample
Single Phase Circuit, A resistor and a capacitor are connected in series across a 150 V a.c supply. When the frequency is 40 Hz the current is 5 A
A single-loop negative feedback system has the loop transfer equation: L(s) = Gc(s)G(s) = K(s + 2)2 / (s(s2 + 1)(s + 8)) a. Sketch the root locus for 0 K infinity to indicate the significant features of the locus.
The feedback system for the Buck circuit can be analyzed by separating DC component from small signal perturbation. The performance of the feedback can be assessed by examining the Bode plot of the loop transfer function GL(s).
Power Factor, A single phase electric motor has an output power of 10 kW and an efficiency of 90% at full load. The motor is fed from a 240 V supply via a cable that has a resistance of 10 milli ohms per metre length.
A coil with an impedence of 64.1 angle 51.4 degrees is connected in series with a resistance 22.5 ohms. The combination is supplied by 120 V source. Determine the coil and resistor voltages and the overall power factor.
c) Find the output y(t) in response to the input x(t) = 6 u(t), where u(t) is the unit step function. d) Find the output y(t) in response to the input x(t) = δ(t) A linear system has the system response function H(s)= -7/(s+4)
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