Electrical Engineering question and answers for August 03, 2023
- Q a) With the aid of diagrams, describe the threecharacteristics of d.c. series motor.(b) Briefly explain the difference between squirrel cage inductionmotor and wound rotor inductionmotor in terms of construction.
- Q What are RTS and CTS packets?
- Q Explain the operation(s) performed by a return from an IRQ orFIQ interrupt procedure
- Q Explain why several semiconductor materials might be puttogether to obtain more efficient solar cells.
- Q What are the stop and start bit roles in an UART? How thetransmitter and receiver are synchronized in an UART?
- Q 1unit generator and motor syncron with rating 25 MVA, 13,2 KV. bothhave subtransien reactance 15%. reactance 10% to machine base.motors rating 20 MW (0.9 lagging) and terminal voltage 12,5 KV....
- Q Q2 (a) Define the meaning of the balanced supply in the threephase system.(b) Distinguish four (4) possible configuration of thebalanced three phase system.(c) The line voltages applied across the life...
- Q With appropriate sketching and with your own words, explain therelationship between damping ratio and system response.
- Q Show that the diffusion current of a forward-conduction pnjunction is a strong function of temperature.
- Q What are some typical applications for stepper motors and whatdo engineers do to make sure the rotating shaft is at a particularposition even though it is operated in an open-loop...
- Q What is AN4 pin on BAYSYS 3 board? i know there is AN0-AN3. Icannot locate the pin and function of AN4
- Q How to simulate the dynamics of an electric power system, whyneeded? On what basis is the time step of the simulation selected? Give examplesphenomena to be simulated, quantities and numerical...
- Q 1.Briefly describe the operation of the common mode LC filter ofa power supply.2. Describe briefly with the aid of a diagram, the thermalresistances involved in heat dissipation by a heat...
- Q Describe the steady-state solution of Markov chains andthe state probabilities:(Typed answer only .no hand written):
- Q Automotive charging systems, Automotive starting systems(Canvas). Draw and label a starting and charging circuit.
- Q ANSWER ALL QUESTIONS!A house has following information on bulb fixtures (Table I).The owner of the house wanted to replace all the bulbs fixtureswith CFL type. The efficiency information of a...
- Q (a)Discuss the classification of logic families andtheir characteristic parameters.(b) Design q mod -6 unit distance code counter using D flipflop.
- Q True or FalseThe practice of engineering is regulated by the federalgovernment  Some forms of hearsay evidence are admissible.A voidable contract is not a contract.If there is unjust enrichment involved in a...
- Q 3. Draw and explain the working principle of successiveapproximatin DVM digital voltmeter approach if used to measure dcvoltage of 11.5 volts! Make a time diagram
- Q discussion for biasing circuit pspice report
- Q What kind of methods used to measure the liquid level explain indetail?
- Q Find frequency response of the system given by followingequation using MATLAB. Clearly plot both amplitude and phaseresponse waveforms with labels assigned.y[n+1]-0.5y[n]=x[n]Matlab code would be greatly appreciated
- Q A 650-nm continuous-wave laser beam strikes a photodetector. Thephoton arrival rate is 4x10^16 photons per second, resulting in6x10^16 electrons per second being collected at the photodetector'spositive contact (i.e.,anode).1. What is...
- Q An LCD 16x2 display is used for PIC16F1619, if Port C isconnected to 8 data pins of the LCD. Pin4 and 5 of port A areconnected to EN and RS...
- Q The force exerted by an electric charge at the origin on acharged particle at a point (x, y, z)with position vector r = <x,y, z> isF(r) =Kr/|r|3where K is a...
- Q What is the relation between the two outputs of 74ls151?IsENABLE input active-HIGH or active-LOW? a) Identify the ENABLE pinsfor 74ls138 chip. Are these pins active-HIGH or active-LOW? Are theoutputs of...
- Q Design a 5 bit binary counter on logicly?
- Q A load supplied by a 3-wire d.c. distribution system takes acurrent of 600 A on the +ve side and 480 A on the −ve side. Theresistance of the outer conductor...
- Q Q3/ Draw the out voltage and current waveforms of asingle-phase cycloconverter connected to a purely resistive load.The following information could be useful: Load Supply Voltage,Supply Frequency Output Frequency Firing Angle...
- Q Transformer and Auto TransformerQ1: What do I need to know to solve Ideal Transformer,Transformer, and autotransformer problems?Q2: What does it mean referred to primary or secondary side?Q3: How to draw...
- Q For a signal x(n)=sin(2*pi*n/5) defined for n=0to7, evaluate theFast Fourier Transform using signal flow graph. (Use decimation inTimeAlgorithm).                                              Â
- Q NB: may you please explain the phasor diagram used to get thereactance. draw phasor gor both scenario. That will be highlyappreciated.5. A given 3-MVA, 50-Hz, 11-kV, 3φ, Y-connected alternatorwhen supplying...
- Q Write an assembly language program for 8085microprocessor to read consecutive memory locations from 2000 to2FFF & transfer to 4000 to 4FFF
- Q I am working on a project where I need to close the solenoidvalve (24DCV) at a different rate of time (variable closer time).It needs close very fast (at least within...
- Q Define “Noise Factorâ€.In an RF receiver system with cascaded amplifiers, where shouldmost of the RF amplification take place, near the antenna or nearthe output? Why?
- Q What are some possible experimental errors for the ThermalGravimetric Analysis (TGA), please explain in detailsHow do you calculate percent error from TGA? Do we use weightpercent? Please explain and provide...
- Q Please discuss the definition and theory on Poweramplifier and phase lock loop with diagrams
- Q From 1+K*L(s)=0L(s) = 1/((s+1)(s+2)(s+10))Solve for gain K where the root locus passes throughthe damping ratio. z=0.176. With out Matlab. Please show allwork.Note: I know we need to use some trig...
- Q True and False1. The instruction register stores machine code for theinstruction being executed.2. Before a digital computer may execute an instruction, theinstruction code must be fetched from memory.3. A pointer...
- Q Sketch and label a clamping circuit. Use a 2.5 V rms source andan ideal diode. Explain how it works. Show the voltage wave formsin a diagram, giving numeric values where...
- Q Indicate what considerations should be taken into account for agood design of an audio amplifier.
- Q history of induction type instruments, review ofinduction type instruments, current information about inductiontype instruments
- Q A two 3- phase transmission lines A & B have the followingdata: VS = VR = 33 KV/ph , ZA = 2 + j 5 Ω/ph & ZB = 1...
- Q 4.For a signal x(n)=sin(4*pi*n/5) defined for n=0to7, evaluate theFast Fourier Transform using signal flow graph. (Use decimation inTimeAlgorithm).                                              Â
- Q Record your voice signalin mp3Â Â or .dat format. Write a Matlab program to producean echo signal. Critically analyze the system and find out thevalue of delay in milli seconds required to...
- Q Matlab programCreate a function, when given a two-digit integer as input,prints the equivalent English phrase. For example, given 39, outputthirty-nine. Limit the input numbers to be in the range 21...
- Q Name one method to eliminate Image Frequency problems.Direct Conversion Receivers are used to receive FM broadcasts.True or FalseNoise is directly proportional to…and…If your signal is 5 uV and the noise...
- Q Used to determine the stability of a system by examining thecharacteristic equation of the transfer function. States that thenumber of roots of the characteristic equation with positive realparts is equal...
- Q What is the dc gain of a filter with difference equation ?[?] =?[?] + ?[? − 1]? Show your work.A DT system has frequency response ?(? ??) = 2 (1...
- Q Kit Requirements:Arduino UnoSmall breadboardJumper wires10kΩ potentiometer10kΩ resistor (x2)220Ω resistor (x3)USB cablePhotoresistorTMP36 temperature sensorDigital MultimeterLab 3a:Procedure:·         Watch thevideos:o   Tutorial 03 forArduino: Electrical EngineeringBasics(https://www.youtube.com/watch?v=abWCy_aOSwY)o   Tutorial 04 forArduino: Analog Inputs(https://www.youtube.com/watch?v=js4TK0U848I)o   TechBits 13 -Analog and Digital Signals(https://www.youtube.com/watch?v=Z3rsO912e3I)·         Constructthe breadboard...
- Q You are given the following components in a Light SensorCircuit:Light Dependent Resistor (LDR)Bright condition (500 lux)Dark Condition (50 lux)Resistance values (reference)1 kΩ5 kΩLight Emitting Diode (LED)Turn on Voltage RatingTurn on...
- Q Explain with the aid of diagrams, the operations involved inconverting an analog wave form into a sequence of bits
- Q 4. Use generate statement to write VHDL code for a 16 bit adderassuming the only available building block is a full adder.Thank
- Q I am trying to create an 8-bit random number generator inverilog code using a mux, a d flip flop and a LFSR not sure what Iam doing wrong but need...
- Q (a) Chau’s electric circuit is a simple electronic circuit thatcan exhibit chaotic behaviour. The voltages x(t) and y(t), andcurrent z(t), across components in the circuit can be investigatedusing the Matlab...
- Q Q2-B) Answer the followings:I. Identify the addressing mode for Two of the followinginstructions:SBB AX,SI MOV [BX]+1234H,AL XCHG DL,[BP+20H]II. True or False and why correct the false one:1- A 20-bit address...
- Q I am in this electrical engineering project course in which anassignment is asking me this and I cannot make heads or tails ofwhat it means by this...Discuss the tradeoffs involved...
- Q Please write and solve one question about idealtransformer (parametric). Also, please write and solve one morequestion about a real transformer (numerical). You can get helpfrom the Electric Machinery. A.E. Fitzgerald...
- Q considering the measurement of liquid level, explainwith the aid of a diagram the principle by which the ultrasonicliquid level gauge operates
- Q A resonant loop antenna of closely spaced 8 turns isoperating at 100 MHz. The radius of the loopis λ/20, and the loop is connected to a 75-Ω transmission line. Theradius...
- Q A rocket is launched straight into the air with initialvelocity 200 ft/s. Assume the launch is instantaneous. How highwill it go, and how long will that take (use time increments...
- Q In a 500/250 V d.c. 3-wire system, there is a current of 2000 Aon the +ve side, 1600A on the negative side and a load of 300 kWacross the outers....
- Q For each of the statements given below, indicated “True†or“Falseâ€.(a) The address issued by the processor is the address of alocation in the cache.(b) The main memory is larger than...
- Q A collector-modulated power has a supply voltage of 48V and anaverage collector current of 600 mA. Determine: a)the input power to the transmitter? b) themodulating signal power needed to produce...
- Q a) AM transmitters more commonly use low-level modulation, whileFM transmitters more commonly use high-level modulation.True or Falseb) Explain the basic elements of a Single Side Band(SSB). What element distinguishes it...
- Q 1) Identify what are the factors and impacts that will influencethe electricity demand growth rate.
- Q A testbench is provided in the following directory(~lab_work/verification/task3) without the Device Under Test(DUT).(see testbench below)`timescale 1ns/10psmodule tb_detector ;reg clk, rst, datain;wire det;detector DUT ( .clk(clk), .rst(rst), .datain(datain), .det(det));initialbegin#0 clk =...
- Q Project SummaryA company asks you to design a controller for a basketballmachine that will indicate that aplayer has won a game if they get a total of 3 points. There...
- Q Minimize the function with K-Map- F(A,B,C,D)=ПM(0,2,4,5,6,7,9,12).d(3,14)   Design full adder with 4:1 MUX gates
- Q Problem 8 ( please write neatly and in full )a) Draw the block diagram with feed-forward. What are itsadvantages?b) Why are limiters used and what are their effects?c) What is...
- Q A 500-kV, 60 Hz, three-phase completely transposed overhead linehas three ASCR 1113-kcmil conductors per bundle, with 0.5 m betweenconductors in the bundle. The horizontal phase spacing betweenbundle centers are 10,...
- Q Problem 8 ( please answer neatly )a) Draw the dc-motor equivalent circuit and its representationin Laplace domain. Isthis representation linear?b) What is the transfer function of a proportional-integral (PI)controller?c) Draw...
- Q Problem 8 ( please answer neatly )i) What are the various blocks of a motor drive?ii) What is a cascaded control, and what are its advantages?iii) Draw the average models...
- Q i need a design for a robot to be placed in swimming pools thatdetects drowning , in case drowning is detected it willautomatically inflate an airbag to rescue the swimmer...
- Q for this set of assignment, Moore statemachineDesign a sequence detector to detect \"001\", where 0 arrivesfirst, then 0, then 1. You need to show the test sequences you usedto confirm...
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