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A three-phase induction motor is wound for four poles and is supplied from a 50 Hz system. Calculate:
(a) the synchronous speed;
(b) the speed of the rotor when the slip is 4 per cent;
(c) the rotor frequency when the speed of the rotor is 600 r/min.
Draw the logic diagram for the following Boolean expressions. The diagram should correspond exactly to the equation. Assume that the complements of the inputs are not available. a.) XYZ+X'Y'+X'Y'
A number 10 copper wire will carry up to 30 Amperes of current. If the copper wire is to be replaced by an aluminium wire and the only available gauges of aluminium wire in stock areNos 8,10,12 and 14, which one would be able to carry 30 amperes s..
An FM transmission system with r.m.s frequency deviation=100kHzis used to transmit a Gaussian base band information signal havingflat spectrum to 10kHz. Through a fading channel. The transmitted power is 5watt.
An ideal 3 phasemachine runs at 1800 RPM with a torque or 20 Nm. It is connected to a 220 V line-to-linesource and draws a current of 14 A. Determine the power factor and the per phase magnetizing reactance for the machine.
A transmission line segment with Zo=50 Ohms and of length l is terminated at a load resistance of RL that can be varied. Sketch the input impedance Zin as a function of RL if (a) l=(wavelength/4) and (b) l=(wavelength/2).
An infinite sheet of uniform (constant) charge density (rho)s0 [C/m^2] is situated coincident with the x-y plane at z = 0. The sheet has a hole of radius a centered at the origin. Find the electric field vector at points along the z-axis.
According to the neoclassical growth model, how would each of the following affect consumption per worker in the long run (that is, in the steady state)?Explain. The destruction of a portion of the country's capital stock in a war.
Define X and Y to be two discrete random variables whose joint probability mass function is given as follows: P(X = m, Y = n) = e^7*4^m*3^n?m / m!(n m)! , for m = 0, 1, . . . , n and n = 0, 1, 2, . . . , while P(X = m, Y = n) = 0
A rectangular loop of wire in free space joints point A(1,01,) to point B(3,0,1) to point C(3,0,4) to point D(1,0,4) to point A. The wire carries a current of 6mA, flowing the az direction from B to C. A filamentary curent of 15A flows
1. What would you need to understand about a CPU's architecture to take pseudo-code and convert it into programming instructions 2. What files are generated by CodeWarrior when you assemble an assembly language program with no errors
An electrical signal with the spectrum extending from 10Hz to600Hz is recorded on a tape recoorder at 10cm per second. It isplayed back at 60cm per minute. What would be the minimum samplingrate for the playback signal
genrator feeding electrical load with impeadance z=0.01=j0.1 per unit on 10mva at 0.8 powe factor lagging. ilteration tollerance .00002.comute the load bus voltage,real and ractive powers for node 2
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