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Consider a shunt-connected dc motor. What are the names of the two windings? Which is on the stator? On the rotor? For which does the current vary with mechanical load?
(a)Write out the channel matrix P and sketch its model formed by 2 identical parallel binary system channels(assume X-over prob is pdash) (b)Find the channel capacity C and the input probabilty that achieve it.
Capacitance can be altered by bringing the two wire line close to ground. (a) Apply the method of images to determine the Capacitance of the two-wire line shown in the figure, where the lower wire is suspended a distance from the PEC ground.
A vector field is specified as G=24xyax +12(x^2+2)ay+18z^2az.Given two points ,P(1,2,-1) and Q(-2,1,3),find :(a) G at P ;(b) a unit vector in the direction of G at Q ;(c)a unit vector directed from Q toqard P
a computer will be used to control flow through 10 pumping stations. the pumps exhibit a surging effect with a period
Two parallel connected 10 kV to 120 V 60 Hz single phase transformers supply a varying load. When the total secondary load current is 250 A at 0.85 PF lagging, determine the secondary current and operating PF of each transformer.
20 SI fibers, 2 km long each, are spliced together for a 40 km link. Each fiber has a loss rate of 1-dB/km and a numerical aperture of 0.24. Each splice adds 0.5 dB of loss. A laser diode has a threshold current of 10 mA and emits at 3 mW/mA rate.
A sequential circuit for a luggage lock has ten pushbuttons labeled 0,1,2,3,4,5,6,7,8 and 9. Each pushbutton 0 through 9 produces a 1 on Xi, i = 0 through 9, respectively, with all other values on variable Xj, j does not equal i, equal to 0.
List a state table for JK flip-flop, using Q as the present and next state and J and K as inputs. design the sequential circuit specified by the state table.
Sketch the equivalent circuit and phasor diagram for the no-load conditions and, assuming operation is in the step down mode, determine (a)the exciting current; (b)the core loss component of the exciting current; (c)the magnetizing current; (d)the..
A 3-phase, 20 kVA, 208 V, 4-pole star-connected synchronous generator has a synchronous reactance of Xs = 1.5 ohm per phase. The resistance of the stator winding is negligible. The machine is connected to a 3-phase 208 V infinite bus.
Important information about System Analysis and Design, Elmwood College Situation: The school is considering a new system that will speed up the registration process.
suppose the one dimensional field. A-=Kx ax- exist in a region. illustrate the validity of Gaussian theorem by evaluating its volume and surface integral inside and on the rectangular parallelelpiped bounded by the surfaces:
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