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A 1 load draws 6 MW at 0.8 power factor lagging. Determine the reactive power required from a parallel capacitor to bring the power factor of the parallel combination up to 0.93
What would the effect of boundaries be on the diffusivity of a substance (e.g., if you have diffusion of a substance in a pipe, what would the effect of the pipe's walls be on the diffusivity
A 75 ohms lossless air transmission line at 3 GHz is terminated in a load of (300-j400) (a) What is the load reflection coecient (b) Determine the impedance at 2.5 cm, 5.0 cm, 7.5 cm and 10 cm from th
Given: The terminal pair of a hidden circuit has an open circuit voltage of 200 V. When a 50 k? resistor is placed across the terminal pair, a potential of 80 volts is observed. Required: Determine
Write a loop to count the number of 1's in the array. If there is an even number of 1's in the array then the OddParity variable will be set. Create a bit-array of 10 elements with appropriate valu
find a minimal two-level NAND realization for each of the following switching functions. a) f(A,B,C) = sum m(0,2,3,7) b) f(A,B,C,D) = sum m(0,2,8,10,14,15) c) f(A,B,C,D,E) = sum m(4,5,6,7,25,27,29,31)
Calculate the 5 lowest possible energies of an electron in a hydrogen atom in units of electron volts. Identify all possible electron energies between the lowest energy and 2eV.
1) Use the following function g(a,b,c) = (a'+b)(b'+c) for parts (a)-(d) below. a) write g as a minterm LIST b) write g as a canonical sum-of-products c) write g as a maxterm LIST d) write g as a canon
A DC circuit consists of a battery and a coil (not a resistor). The coil has a resistance of R = 5W and an inductance of L = 100mH. At a particular instant in time after a battery is connected acros
he operation of the system requires that, before any change of motion direction, the motor must be in a full stop by push the "STOP" button Assuming bother timer TD1 and TD2 have the same preset time
Calculate the specific heat capacities of the gas at constant volume and constant pressure, the initial pressure of the gas and the change in volume of the gas when it was heated at constant pressure.
The MFSK scheme is used in conjunction with an FHSS scheme that hops among 4 different carrier frequencies. What is the number of possible frequency assignments. List the possible frequency assignme
Consider a regenerative Rankine cycle with a 600C and 4-MPa throttle, a 5-kPa condenser, and an open feedwater heater at 500 kPa. Turbine efficiencies are 85%. (a) Draw labeled, coordinated T-
A one-quarter wavelength piece of 75 ohm microstrip line has a capactive load of XC = 22 ohms. What impedance does a driving generator
Calculate the L and C values of an L network that is to match a 9 ohm transistor power amplifier to a 75 ohm antenna at 122 MHZ.
A Rankine-cycle steam power plant has a 5-MPa/450C throttle and 10-kPa condenser pressure. What are the net work, steam generator heat addition, thermal efficiency, heat rate, and turbine exit quali
Write a program to record the temperature and pressure values in a scientific experiment and store the data in (2) one dimensional array, and then identify the extreme values of pressure and tempera
In how many ways can a class of 30 students select a committe from the class that consists of a president, a vice president, a treasurer, and a secretary A. if any student may serve either of these
three coins are tossed. Describe the following events: A. at least two heads occur. B. At most one head occurs. C. Exactly two heads occur. D. No heads occur Find the probability for the occurence of
A box contains a shipment of N (N>4) computer chips, of which four are defective. Four chips are randomly selected and examined as to wether or not the chips are defective. Describe the sample sp
With respect to sinusoidal signals, explain the difference between the way we normally define "amplitude" and the "amplitude" measurement on an oscilloscope. Also, How does the amplitude setting on
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 th
A generator (which may be represented by an emf in series with an inductive reactance) is rated 500MVA, 22kV. Its Y-connected windings have a reactance of 1.1 p.u. Find the ohmic value of the
a) show the truth table b) show an algebraic expression in sum of minterms fom. c) show a minimum sum of products expression d) show the minterms of the complement of each function in numeric form.
A 50 ohms lossless transmission line is to be connected to a load of 25 ohm. Use a lamda/4(quarterLamda) length of line of unknown impedance between the load and the 50-ohm line to match it,