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A d.c. shunt generator supplies a 50 kW load at a terminal voltage of 250 V. The armature and field circuit resistances are 0.15 Ω and 50 Ω respectively. Calculate the generated emf.
Write a program in C not C++ that reads 20 integers from the user and sums the odd and even numbers together. Also have the program output the ratio of the odd numbers to the even numbers.
A gas occupying a volume of 25 ft3 weights 3.5 lbs on the moon, where the acceleration of gravity is 5.47 ft/s2. Determine its weight, in lbf, and density, in lb/ft3, on Mars, where g= 12.86 ft/s2.
A 75- ohm lossless transmission line is interfaced to a load impedance that consists of a series connected resistor of 30 ohm and a capacitor of 10 pF. At an operating frequency of 2 GHz and for a wavelength of 10 cm.
a) What is the key difference between coherent and non-coherent demodulation b) Explain the concept of differential encoding for BPSK modulation.
A causal LTI system has the difference equation y[n]+0.25y[n-1]-0.125y[n-2] = x[n]+x[n-1]. What is the impulse response of this system and what is it's output y[n] for input signal x[n] = (-1)^n u[n].
Find vC(t) and iL(t) for t ≥ 0.- Is the circuit overdamped, critically damped, or underdamped?- Use Multisim to validate your results.
Investigate the spectrum for each measurement and identify sidebands. For each measurement, determine the ratio of the largest sideband amplitude over the amplitude of meshing frequency. Investigate the relation between the computed ratio values a..
a) Calculate alpha, omega-sub-delta, and omega-sub-zero. b) write the equation which describes the current i for t>0. c) determine the maximum value of i, and the time at which it occurs, if the inductor initially stores no energy and v(0-)=9V.
Determine the output voltage of an op-amp for input voltages of Vi1 = 150 µV, Vi2 = 140 µV. - Calculate the cutoff frequency of a first-order low-pass filter for R1 = 1.2 KΩ and C1= 0.02 µF.
a circuit for an ac voltmeter utilizes a moving-coil meter that gives a full-scale reading when the average current flowing throught it is 1mA. The moving-coil meter has a 50-ohm resistance.
Given a sinusoid v1(t) whose phasor isV1 = -3 + j4 V, use phasor phasor method to find the voltage v2(t) that leadsv1(t) by 90 degrees and has an amplitude of 10V.
The time has come for XelPharm to expand. The board of directors has purchased another warehouse for a second distribution facility. It's located in an industrial area, about eight miles from the company's headquarters.
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