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A synchronous motor exited by 5 kV source has a synchronous reactance of 5 ohm .The motor is running without any mechanical load(the output real power is zero). Ignore all losses and calculate thr equavelent field voltage Ef that delivers 3 M VAr to the source.
Determine the fundamental frequency w0, the period t0, and the coefficients in the representation X(t) = x0 + Re{k=1N Xkejkwot} for the above input. Remember, you can do this problem without evaluating any integrals.
The lighting and motor loads of a small factory establish a 10kVA power demand at 0.7 lagging power factor on a 208V, 60 Hz supply. Determine the power-factor capacitor that must be placed in parallel
A sample of radiocactive material undergoes decay such that the number of atoms N(t) remaining in the unstable state at time t is related to the number No at t = 0 by the relation N(t) = No exp(t\tau)
1.Design a finite state machine (FSM) that transitions from 0 to 2 to 4 to 5 to 7 to 0. Write the VHDL code for the FSM. 2.Design a finite state machine that detects two consecutive zeros (0s).
Tell us about a time when you failed to meet a deadline. What were the repercussions?
design two decoding circuits that eash produces a high output when only four input lines A-D that have a specific value. The first circuit should have high output witha value of 5. and the second will have a 9. The chips i will be usinf is 7400 an..
For the function G(x) = x + 32 / x^2 A) Determine the relative minimum of G B) Describe the concavity for all values of x except zero
Through a three-phase transmission line, a three phase symmetrical load is supplied from a power system bus. The parameters per phase of the transmission line are: R=5 ohms, X=70 ohms, B=9*10^-4 ohms.
An unknown semiconductor has Eg = 1.1 eV and Nc = Nv. It is doped with 10^15 cm^-3 donors where the donor level is 0.2 eV below Ec. Given that Ef is 0.25 eV below Ec, calculate ni and the concentration of electrons and holes in the semiconductor ..
A three-phase, 60Hz, wye-connected synchronous generator has balanced line-to-line voltages of 480V at its terminals. The generator is supplying power to two balanced and delta connected, three-phase loads. the first load is made up of three.
Light is incident from air to glass at Brewster's angle. Determine the incident and transmitted angles. Glass has refractive index n2=1.45.
a. Let x[n] and y[n] be periodic signals with fundamental periods N1 and N2, respectively. Under what conditions is the sum x[n] + y[n] periodic If it is periodic, what is the fundamental period of this signal
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