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Given three induction motors, find the real power P, the reactive power Q, and the apparent power S for each motor. Alsofind P, Q, and S for the total motor load.Motor 1: draws an electrical power of 100kw with power factor=.90 lagging.Motor 2: develops a mechanical power of 250 hp and has powerfactor 85% and efficiency of 88%.Motor 3: draws 230 kVA at power factor .92 lagging.
Explain why it is unlikely one would encounter a circuit exhibiting a critically damped response in practice. What impact would time and temperature have on a supposedly "critically damped" circuit
A one quarter wavelength piece of 75 ohm microstrip line has a capacity load of Xc = 22 ohms. What impedance does a driving generator see
A series-connected circuit has a 240-V voltage source, a 10- resistance, a 5- resistance, and an unknown resistance Rx. The voltage across the 5-? resistance is 30 V. Determine the value of the unknown resistance.
Find the intrinsic gain of an NMOS Transistor fabricated in a process for which kn'=200 uA/V^2 and V'A =20 V um. The transistor has a 0.5-um channel length and is operated at Vov=0.25 V. If a 2-mA/V transconductance is required, what must ID and W..
A DC voltage of 10 V is applied across a parallel platecapacitor with a 2 cm separation between the plates. Knowing that the potential field distribution inside the capacitor is linear, plot the potential and electric fields inside the capacitor.
Design an alarm circuit to be used in a process control system. Temperature (T), pressure (P), flow (F), and level (L) of a fluid are each monitored by separate sensor circuits that produce a high logic output signal when the following indicated p..
A parallel-plate air-filled capacitor having plates of area 60m2 and plate spacing 1.5 mm is charged to apotential differences of 300V. Find (a) the electric field betweenthe plates, (d) the capacitance, and (e) use C and V to calculate the energy ..
Investigate the effect of varying this ratio on thetransfer characteristics of the CMOS inverter in Fonstad, by sketching the characteristics forKN=50uA/V2 with KP = 50, 100, 250and 500uA/V2. In your sketch do accurate plots inregions I,
Determine if each of the following signals is periodic. If a signal is periodic, determine its period. a) cos (squ 3t)b)exp ( c) sin (2t) ^2 d) sin(2t^2)
Two statistically independent random variables, X and Y, have variances of sigma^2 (X) =9 and sigma^2(Y) =25. Two new random variables are defined as: U = 3X + 4Y V = 5X - 2Y (a) Find the variances of U and V.
Suppose you are working for an aircraft company on a positioning control system that controls the position of the landing for their aircraft. This positioning system requires a feedback signal from a position sensor.
A lossless transmission line, with characteristic impedance of 50Ω and eletrical length of l=0.27λ, is terminated by load impedance 40-j25Ω. Determine voltage reflection coefficient.
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