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How much energy is extracted from an electron as it flows through a 9V battery from the positive to the negative terminal?
What is the effect of a frequency difference between the carrier and local oscillator on output quality? Show mathematically.
The fourier transform of the triangular pulse x(t) is expressed as: X(w) = 1/w^2(e^jw - jwe^jw - 1) Use this information, and the time-shifting and time-scaling properties to find the fourier transform of the signal: y = x, -1
Let us assume that a synchronouse 3 phase alternator produces a no-load line voltage of 13.2 KV. if a load having a lagging power factor of 0.8 is connected to the machine, must the excitation be increased or decreased
Write an assembly language code segment to swap the contents of the two arrays. For example if arr1 and arr2 initially contain characters "abc" and "123" respectively, then after executing the code, they should contain "123" and "abc" respectively..
A 340 V, 6 pole dc Shunt motor has the following parameters: Rating: 35 kW Current: 122 A Speed: 1000 rpmArmature resistance: 0.35 Ohm Sunt field resistance: 150 Ohm Friction&Windage loss: 1.2 kW
obtain, via the bilinear transform, the coefficients of a digtal filter that is maximally flat in the passband, 0 to 4 kHz, and has an attenuation of at least 25 dB at frequencies over 10 kHz. Assume a sampling frequency of 32 kHz.
Suppose that the cost of electrical energy is $0.12 per kilowatt hour and that your electric bill for 30 days is $60 (power usage only, not including other charges or taxes) Assume that the power delivered is constant over the entire 30 days.
A four pole, 60Hz, 10Hp, 460V, three phase induction motor operates at 1750 r/min when fully loaded and its rated frequency and rated voltage. Determine (a) synchronous speed; (b) slip speed; (c) per unit slip
Find steady-state error to the unit ramp input. If it is greater than 0.1, design a lag compensator that helps to achieve the steady-state error (to the unit ramp input) no more than 0.1. (Hint: Use Matlab to nd the dominant closed-loop poles.)
If an npn transistor is operating with the base transmitter junction forward biased and the base collector junction reverse biased. Given that the transistor has Ic=10mA and Ie=10.5 mA, determine the values of Ib,alpha and beta.
A three-phase, 125-hp, 60Hz, eight-pole, 575-V, design B induction motor is to be operated from a 50-Hz system. Determine (a) allowable voltage at 50 Hz; (b) allowable shaft load in horsepower; (c) new synchronous speed
Let X denote the number of accepted circuits. Let Y be a random variable which is 1 if the last (Nth ) IC was accepted and is zero otherwise (it is a Bernoulli random variable). (a) Write out the probability mass function (PMF) of X.
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