Electrical Engineering question and answers for July 20, 2023
- Q Type an essay about \"Transmission lines theory\", explain withit; transmission lines effects and their causes, then state thedifference between the propagation of electromagnetic waves in suchstructures and the propagation in...
- Q علي غسان اتصالات اسيا:1. The source in the circuit provides the circuit withelectromotive force. *Current moves from a point of high potential energy toa point of low potentialInert gas white,...
- Q Question 28 (1point)The output of a peakdetector is alwaysA) equal to the maxvalue of the peak level received since the last reset pulse.B) 70.7% of input.C) equal to the minvalue...
- Q This question concerns a synchronous sequential counter, whichcounts an arbitrarysequence. The properties of the counter include thefollowing:1. The counter has two inputs, input X and CLK (Clock), andthree outputs, A,...
- Q 1. 414 Volt, 60 Hz, 600 hp, 0.6 pf-leading, four-pole triangleconnected synchronous motor has 0.9Ω synchronous reactance.Friction; wind; core losses and armature resistance areneglected.a) If the motor is operating under...
- Q A three phase transformer of 400kVA, 10kV/400V, Dy11 isconnected to its nominal load with cosφ = 1.a) Calculate the nominal primary and secondary linecurrent.b) Calculate the corresponding currents in the...
- Q Write a 3-4 paragraphs report about electric circuits submit it(why do we use circuits) typed please
- Q Design a Butterworth bandpass filter with the givenrequirements:10 dB stopband attenuation at 100 rad/sec and 900 rad/sec1dB passband attenuation at 400 rad/sec and 600 rad/sec
- Q A coaxial cable is made of two conductors, the inner one hasradius a and the outer radius isb, both conductors are seperated by adielectric material with relative permitivityεr  and conductivityσ ,...
- Q Synchronous and Induction Machine QuestionsQ1: How do we find induced voltage, frequency, synchronousreactance, generated voltage at pf for a synchronous generator?Q2: How do we find slip and number of poles,...
- Q The performance for a power factor of 1 of a 200KVA, 3000/380 Vsingle phase transformer is 0.98 for both full load and mediumload. The vacuum power factor is 0.2 and...
- Q 1.What is the difference between a PNP and NPN transistor?2. A transistor is an element that amplifies current orvoltage? Justify your answer
- Q Detect \"010\" using Moore state machine, overlapped, andminimized-bit state encoding. Use JK flip-flops. Shows your statediagram, state table, encoded state table, logic equations, andlogic circuit.
- Q Determine whether each system is LTI, causal and/or stable andwith or without memory. Justify answers.a) y(t) =sen(x(t))b) y(t) = dx/dt + x(t)
- Q For Four Quadrant chopper DC motor Drive:A. Explain the generator action in forward direction accordingto:1. Circuit2. Waveforms3. Principal of workB. Is it possible to discharge the load current using D3D4switching...
- Q Consider GaAsP system. Determine the range of the direct bandgapenergies possible and the corresponding range of wavelength.
- Q A three-phase line has an impedance of 1 + j2 Ω per phase. Theline feeds two balanced three-phase loads that are connected inparallel. The first load is Y-connected and has...
- Q Q1:A high voltage Schering Bridge has the following arms with theircomponent ranges: AB: capacitor=100 pF to 500 pF, BC: variablecapacitance (1 nF to 2 µF) in parallel with variable resistancefrom...
- Q The secondary of a 500kVA, 4400/500 V, 50Hz, single-phasetransformer has 500 turns.A) determine emf per unit.B) primary turns.C) secondary full load currentD) maximum fluxE) gross cross-sectional area of the core...
- Q Explain why several semiconductor materials might be puttogether to obtain more efficient solar cells.
- Q Q1 (a)(i) Mention the types of short circuit fault in powersystem network.(ii) Briefly explain the effects of short-circuit typeof faults on a power system network.
- Q Design a Mealy state diagram for a sequence detector that has asingle input and a single output. The output is to be “1†unlessthe input has been “0†for four...
- Q The principle of “Hall Effect†is used in measuring high directcurrents. Sketch the schematic diagram of Hall generator andexplain how the working principle of high current measurement. Inyour explanation, write...
- Q Given what you know about Life Cycle Assessment, discuss fourfactors for each project that might influence a company’s decisionto invest in either.Project 1: Library LightingProject 2: Parking lot PV, solar...
- Q what is the advantages to use PID controller in control systemdesign ?
- Q Illustrate the difference between different types of insulationand enumerate the various classes of electrical equipment. Giveexamples for each class.
- Q Derive wave equation for H (eq. 9.7 in the textbook) fromMaxwell’s equations forsource-free region filled with linear, homogeneous, and losslessmaterial of permittivity ε andpermeability μ.
- Q TE and TM Modes in rectangular waveguides and define theparameters of rectangular waveguides.
- Q Assume $s0 = 0x00000005, compute the contents of the specifiedregister after every step:sll $s1, $s0, 2 #$s1 = ?or $s1, $s1, $s0 #$s1 = ?andi $s1, $s1, 15 #$s1 =...
- Q Determine the stability region using the Jury criterion for asystem whose characteristic equation P(z). Plot the stabilityregion on a plane determined by a-k.P(z)=z^4+kz^3+2z^2+az+3=0
- Q What is KVL? Give an example of the application of KVL. In yourexample, please include details of your circuit and all the KVLequationsWhat is KCL? Give an example of the...
- Q What are global variables, how are global variables used in Armarchitecture. Please feel free to use your own examples.
- Q I have a Li-ion cell I need to measure the cell voltage which isunknown. you need to measure the voltage of the battery. You candesign the circuit which measures voltage....
- Q a) In a Gunn diode oscillator, the electron drift velocity wasfound to be 107 cm/sec and the critical field for GaAsas 3.2 KV/cm. If the effective length is 20 microns,...
- Q How do I set up a basic DC generator circuit?I have a tiny generator that I need to use to harvest energy andpower an LED. The first way I set...
- Q Give a block diagram of a power supply unit with all components.Explain briefly why the capacitive input filter is preferred overthe choke input filter?
- Q Discuss the disadvantages of having low power factor and discussthe various methods of power factor improvement.
- Q Design an 8-bit ALU Circuit diagram,
- Q Specify the aliasing frequency of a signal that has a maximumfrequency of 92kHz and a sample frequency of 130kHz. Is this anoptimal sampling frequency? If so, explain why? If not,...
- Q 1.Design a parallel RLC bandpass filter, derivethe transfer function H(s). Compute center frequency, Wo. Calculatethe cutoff frequencies Wc1 and Wc2, the bandwidth (Beta),and quality factor, Q. Compute the values for...
- Q A 230 V, 500 rpm, 100 A separately- excited dc motor has anarmature resistance of 0.1 ohms. The motor is driving, under ratedconditions, a load whose torque is constant and...
- Q Digital modulation type and application/report??
- Q In set-associative mapping, why when having the choice toreplace of which cache line to replace do we choose the ones withD=0?
- Q How would you design a counter with repeating states? (usewhichever flip flop is easiest)I will give \"easy\" examples1a) 0-0-1-2-31b) 0-0-1-1-2-2-3-0
- Q What problems occur in a pipelined CPU architecture whenconditional branches are encountered? Name and describe ways inwhich the effects of conditional branches can be reduced oreliminated.
- Q Ineed the path loss formula of two ray model for(urban,suburban,rural)
- Q Consider an n-channel MOSFET with tox = 4.5 nm, ïn = 445 cm2/V·s, Vt = 0.55 V, and W/L = 15. What is the value of k’n ? (6points) Identify...
- Q What is the connection between ElectronicCircuits and modern digital communicationsystems?
- Q Problem 5. (10 pts) In a differential amplifier, thenon-inverting input is 3 cos (600t+ 45â—¦) mV and the inverting input is 4cos (600t - 45â—¦) mV. Theoutput is vo =...
- Q Give a brief description of the diaphragm box, how it works andits common types.
- Q Problem 3: The carrier c(t) = 100cos(2p fct) is frequencymodulated by the signal m(t) =5cos(20000pt) , where fc = 108 Hz. The peak frequency deviation is20 kHz. Determine theamplitude and...
- Q A single- phase full- wave rectifier is used to control thespeed of a 5- hp, 110- V, 1200- rpm, separately- excited dc motor.The converter is connected to a single- phase,...
- Q There are available voltage amplificators with Avoc = 8 V/V,Rin = 1.8 kΩ, Ro = 850 Ω. With a DC power source of 12 V, everyamplificator consumes 1.5 mA of...
- Q 1. Design a bandpass filter to meet the followingspecificatoins: lower stopband edge = 0.3Ï€ upper stopband edge =0.6Ï€ lower passband edge = 0.4Ï€ upper passband edge = 0.5Ï€ Rp =...
- Q A proposed re-lamping project includes 200, 2 lamp fixtures. Theexisting lamps are standard 40 W fluorescent bulbs with a lifespanof 20,000 hours that cost $1.25 each. The proposed replacementlamps would...
- Q What is KVL? Give an example of the application of KVL. In yourexample, please include details of your circuit and all the KVLequations.
- Q What is the Elmore delay of an n-input NAND gate? Pleaseexplain in detail and either type answer or write with organizedand clear handwriting.
- Q please solve all.
- Q A) Given a vector electric field:E i = x̅100e−γ zV/m                      Find the associated magnetic field.B) If this field is normally incident on a uniform lossy mediumwith Er = 3.0, tan δ...
- Q In the design of communication links we must always keep trackof the power needed to represent the signals, the effects of thenoise and the bandwidth needed. In a post answer...
- Q what part of the power system is TCSC being implemented?
- Q What is successive Approximation, discuss them indetail.
- Q explain a hamming encoder (7,4)hamming decoder (7,4)scan test.
- Q I would like clarification on the movement of current. I haveheard that current travels \"path of least resistance\", but I havenever fully grasped the concept. I understand that current travelsfrom...
- Q Explain the main purpose of an interrupt signal. Give an exampleof how the interrupt is used.
- Q A discrete system is described by the difference equation y(n)=2.5y(n-1)-y(n-2)+3x(n)+3x(n-2)a. Using Z-transform, Determine allpossible impulse responses h(n) and indicate the casuality andstabilityproperties.                                                                                               b.For the casual filter, determine the output y(n) if...
- Q Word Problem : Explain what is Z transform, and describe therelation of the Z transform and the DTFT.
- Q 1. Design 3rd order ideal low pass filter H(s).Two poles are complex conjugates, and one pole is on the real axis.2. transform H(s) to H(z). (Use impulse invariancecriterion)1%criterion
- Q The total current density in a semiconductor is given asconstant and Jtop = -20 A / cm ^ 2. Total current density is thesum of the hole drift current density...
- Q Design a 5-bit binary counter using JK flip flops.Draw the flip-flop circuit diagram, the state graph, the timingdiagram, the truth table (with clk pulse) and the state table (withpresent and...
- Q You are testing a new GPS system for general aviation aircraftand have encountered some unexplained heating. Modeling the circuitas three resistors in series, R1 (2 Ω) is known whileR2 and...
- Q Design andimplementation 4-bit binary full adder with fast carryusing behavioral and structural style ofmodelling. (LS 7483)I want logic diagram and its truth tablealso i want code for it in VDHL...
- Q Transmission lines theory\", explain with it; transmission lineseffects and their causes,
- Q A50 Hz synchronous generator is supplying 60% of its maximum powerto an infinite bus through a reactive network. Due to a certainfault, the reactance of the network between the generator...
- Q Your cache has a hit time of 1 clock cycle and a miss time of100 clock cycles. If the CPI of your processor equals 1.3 withperfect caches (the cache always...
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