Electrical Engineering question and answers for July 28, 2023
- Q 23 hp, dc shunt motor is running at 1000 rpm when the armaturevoltage is 600 V. The armature resistance of the motor is 0.8 ohm,and the field resistance is 900...
- Q Q14 Describe a maintenance plan for: a) Vacuum, and b) SF6breakers • Cover the two types separately. • Be specific and do notlist generic information (some research may be required)....
- Q Consider an NPN BJT with the following parameters. Beta = 85,Cmu = 1 pF, Co = .5 pF, and Cpi = 6 pF. With IC = 70 mA, r0 =...
- Q 1)Describe briefly the different types of d.c. distributors.2. What are the advantages of a doubly fed distributor oversingly fed distributor ?3)What is the purpose of interconnector in a d.c. ring...
- Q If you use your office computer 15 hours per week, and do notunplug it when it is not in use, how much carbon dioxide isproduced from the vampire energy used...
- Q AC Thevenin has an impedance of Zt = 6 + j75What is the load impedance for MPT?If a resistor was connected as load, what would the R value needto be...
- Q 2. Design a digital lowpass filter to meet the followingspecifications:passband edge = 0:45Ï€stopband edge = 0:5Ï€Rp = 0.5 dB, As = 60 dBa. Design a Buttterworth filter, you may use...
- Q Q2. (i) Design a 2-input 1-output multiplexer, inside ahierarchical block. Explain your design. Name your block with yourstudent number: eg “123456 multiplexerâ€.(ii) Test your circuit in block form, showing the...
- Q A 3-Phase, 60 HZ transmission line has the followingparameters:L= 2.563 x 10^(-3) H/miR= 0.25 Ohms/miY= 5 x 10^(3) S/miThe line is 200 mi long and it delivers 150 MW at...
- Q Design a synchronously settable flip-flop using a regular Dflip-flop and additional gates.
- Q Please, introduce the knowledge of “swarms in autonomoussystems; properties, and advantages.
- Q please let me know reference of this MATLAB code.please explain this code line by line...N=256; %% sampling numbern=linspace(0,1,N);fs=1/(n(2)-n(1));x=5*(sin((2*pi*10*n))); %% create signalN=length(x);f=[-fs/2:fs/N:fs/2-fs/N];subplot(211)plot(f,fftshift(abs(fft(x))));title('|G(f)|');grid;xlabel('frequency');ylabel('|G(f)|');%Zero paddingxx=[zeros(1,128) x zeros(1,128)];N=length(xx);f=[-fs/2:fs/N:fs/2-fs/N];subplot(212)plot(f,fftshift(abs(fft(xx))));title('|Gz(f)|');grid;xlabel('frequency');ylabel('|Gz(f)|');
- Q Please give following terms definitions with theexamples with circuit diagramsPHASE LOCK LOOPBUCK BOOSTLDOTX RX SENSITIVITYTXCVRTYPES OF FILTERSBER VS POWER RELATIONSCHANNEL POWERPOWER DENSITYI Q DIGITAL ANALOG MODULATIONSENVELOPETXCOTARGET AND BINARY SEARCHSHDNLNAVSWRRSSIPOWER BANDSENSITIVITY
- Q Given: a 315MHz binary message is being ASK modulated with acarrier frequency of 38KHz.Write a MatLab program to demodulate the signal, and graph theoutput.
- Q For a right-sided system specified by the transferfunctionH(z) = z/(z - 0.5)and an input x[n] = (0.8)n u[n]find the poles of the response Y[z] and the ROC.(Hint: Find X(z). H(z)...
- Q Consider two different implementations of the same instructionset architecture.The instructions can be divided into four classes according totheir CPI (classes A, B, C, and D).P1 with a clock rate of...
- Q 1. Explain briefly the purpose of a power supply of aBio-medical electronic instrument? What is meant by a stabilizedpower supply?2. Briefly describe the salient features of a switching typeregulator used...
- Q Draw the diagram for an array multiplier circuit for 5x5multiplications.
- Q Could you please solve these problems and explain the steps?Consider a 3-input function G whose POS form is known to containthe maxterm X + Y + Z.1) What is the...
- Q During a power outage, a homeowner starts a generator thatoutputs 4,000 W of electrical power. It burns gasoline at a rate of15 gallons per day.Gasoline has an energy content of...
- Q By using MATLAB1. Divide a speech signal or music signal into frames of size N= 64.2. Compute the N?point DFT of each frame.3. Save only first L = 20 DFT...
- Q What is a Memristor? Explain the working of a memristor withfigure.
- Q Where are gaps used for HV measurement? What are their measurableranges?
- Q A 35 km, 34.5-kV, 60-Hz three phase line has a positive-sequenceseries impedance z = 0.10 + j0.40 Ohms/km. The load at thereceiving end absorbs 15 MVA at 33 kV. Assuming...
- Q Determine the Nyquist rate for signal x(t)defined asfollows:x(t)= 20,000sinc(20,000*pi*t)Plot the spectrum of the sampled signal and check whetheraliasing error exists for the following values of the sampling rate(ws): 40,000*pi, 20,000*pi,10,000*pi
- Q Design a decoder counter MOD '10' that counts from 0-9 using 4flip flops and a NAND gate.
- Q SUBJECT: CONTROL SYSTEM DESIGN (SimulinkModel)• What does the ‘Bias’ block do to the input sine wave? Describeit.• What is a ‘Subsystem’ and why is it useful when developing amodel?• What...
- Q Write a literature review from any article concerning the\"conversion of kinetic energy to electrical energy\" make sure yourliterature review contains( name ofresearch, problemstatement,method,result/conclusion)
- Q A 2000 V single-phase synchronous generator is being used as abackupgenerator outside a diagnostic center. When the generatorterminals are short-circuited and a field excitation current of 2.5A is passed, theammeter...
- Q Develop a maintenance checklist that can be used to Transformermaintenance. The checklist should include but not limited to: Typesof check, frequency, date check, check by, etc.
- Q A single phase, 300???, 11??/2.2??, 60 ?? transformer has thefollowing parameters referred to the high-voltage side: ?? =57.6??, ?? = 16.34??, ??? = 2.784? and ??? = 3.5?. If a...
- Q 15. Approximately, how many NAND gate equivalents does a SPLD(Simple Programmable Logic Device), CPLD (Complex ProgrammableLogic Device) and FPGA (Field Programmable Gate Array) typicallysupport?
- Q Provide the circuit schematic of a Doherty power amplifierdesigned for a peak efficiency at 10dB back-off. Briefly explainthe need for output offset lines in the carrier and peakingamplifiers paths.
- Q A 240 V DC shunt motor draws 40 A while driving a constanttorque load. The armature resistance is Ra = 0.2 Ω, the fieldresistance is Rf = 240 Ω and...
- Q A bandpass series filter has parameter values of R=150Ω , C=2μFandL=3mH . The filter is energized with a voltage source which hasaninternal resistance equal to 100Ω.Using Matlab, write a code...
- Q Express the following two base 10 numbers in binary using theIEEE 754 single-precision floating point format (i.e., 32 bits).Express your final answer in hexadecimal (e.g., 32’h????????).a) 68.3125b) -19.675
- Q Design an application or problem using the derivative of awavelength or form?Why is Calculus important to Engineering?
- Q Q1.What is Laplace transform and why do we use it in circuitanalysis.
- Q What is the use of open drain on a GPIO output pin?
- Q Propose an adjustable voltage source based on LM7805.Requirements:Adjustment from 5 to 15V. Maximum current 3A.Short protection for the 7805 when> 1A.Draw the complete circuit with the requirements
- Q Rexlex klystron (step-by-step)a-) Explain the process of grouping electrons in a reflectorklystron.b-) Explain the mechanism of electronic frequency tuning inreflective klystron.c-) What does the mean balance of phase in reflex...
- Q Explain mathemetically and with diagrams, what is single sidebandamplitude modulation?kindly Answer ASAP. Ill give u upvote
- Q However, in June 2020, several customers have voiced out theirdissatisfaction about their recent electricity bill spikes onsocial media. In this assignment, you are required to conduct yourown research by identifying...
- Q draw, for values of x between -2 and +2, f(x) = x2,f(x) = 2x2 and f(x) = 3x2
- Q Determine the magnitude of polarization (in C/m2) in a materialif it is stressed 4.72 GPa perpendicular to the poling axis.(Answer format X.XXX)d3,1 = 187 x 10-12 m/Vd3,3 = 219 x...
- Q Design a 4 bit Counter that displays even numbers when a switch on,and odd when the switch off and write a report about it.
- Q (2) Let Vabc = [ - 5 , 5 + 5 j , - 5 j ] T and calculate Vb012.Draw a phasor diagram illustrating the relationship Vb = Vb0...
- Q Generate and plot sinusoids of frequencies 300 Hz, 500 Hz and1200 Hz. Plot each of them and their sum using the “subplotâ€command in one figure. Indicate the axes’ titles.
- Q please say why you have chosen this answer in details alsoplease clear hand writing thanks in advance(v) When doping a semiconductor p type, thebulk of the material has:      A positivecharge       Anegative charge       Is...
- Q Q3)A three-phase, Y-connected, 220 V, 13 kW, 60 Hz, six-pole inductionmotor has the followingparameter values in Ω/phase referred to the stator:R1 = 0.3 Ω. R2' = 0.15 ΩX1 = 0.5...
- Q Please write and solve one question about identicaltransformer (parametric). Also, please write and solve one morequestion about real transformer (numerical). You can get help fromthe Electric Machinery. A.E. Fitzgerald book....
- Q Consider an ideal down converter supplying load resistance of 80ohms from a voltage source rated 9V and 250mA. The converteroperates at 70-kHz and is designed for 5% voltage ripple and...
- Q Create a comparative table of advantages and disadvantages ofactive, passive and digital filters.
- Q Q2) Having the text (A AA BACBCCBBAAADBBBC D), answer thefollowing: 1. The probability of character A( P(A)) equals-------a) 1 b)0.1 c) 0.7 d) 0.35 The self-information of character C( I(C)Jequals------...
- Q THESE QUESTONS ARE FROM THE SUBJECT POWER SYSTEM FUNDAMENTALSAND FROM THE TOPIC ELECTRICAL DESIGN OF OVER HEAD TRANSMISSIONLINES AND MAKE SURE THAT YOUR ANSWER IS CORRECTProblem-1A single phase transmission line...
- Q Question :01 Part AThe initial conditions of a d.c. motor are:K’ = 3:0VsV1 = 24:0VTd = 18NmRa = 2 ohmFor a 50 percent increase in the armature voltage, calculate thepercentage...
- Q Design and simulate a triangle wave generator withfo=1.5 kHz and Vo(pp) = 5Vplease use online multisim
- Q use matlaby(t)=10*(cos(2*pi*500*t)+cos(2*pi*1000*t)+cos(2*pi*1500*t)).e) Down sample y(t) by a factor of 6. Sketch the Fouriertransform with appropriate frequency axis. Check if all frequencycomponents are correct?Up-sample the time-domain signal obtained in e) by...
- Q The signal output from a certain process in an industryis described by the following equationh (t) = 5 cos 2Ï€1000 t + 7 cos 2Ï€ 2000 t + 2 cos...
- Q THESE QUESTONS ARE FROM THE SUBJECT POWER SYSTEM FUNDAMENTALSAND FROM THE TOPIC ELECTRICAL DESIGN OF OVER HEAD TRANSMISSIONLINES AND MAKE SURE THAT YOUR ANSWER IS CORRECTProblem-4Find the inductance per km...
- Q represent the decimal number 101 and 6 as floating point binarynumbersplease show your work and explained, I have a test.
- Q In a localized capacitance method for a Long transmission linewhat could be consider a drawback from it? Also when a longtransmission line is open circuited on its receiving end, wouldthere...
- Q Design and implementation 4-bit binary full adder with fastcarry using behavioral and structural style of modelling. (LS7483)i want logic diagram and truth table
- Q From your previously gained knowledge of electronic elements(including introduced semiconductor elements), suggest whichelements could be used fora) Rectifiers (AC to DC converters)b) Oscillators (DC to AC converters)and explain why (i.e....
- Q Prove that P=nT/9.55, P=FV, P=TauOmega are equal.
- Q Implement four blinking LEDs on your DE2 board. Your code shouldblink four LEDs at 100 Hz, 10 Hz, 2 Hz and 1 Hz respectively. Foreach of the blink frequencies, the...
- Q 6.2Simulation in MATLAB by command or Simulink is either fine!1. Adding a PID controller2. Increasing Kp gain, until the output tracks the input andbegins oscillations3. Adjusting Kp gain, for minimum...
- Q combinatioal & sequential circuits in computerapplicationi want to remove this question please refund this idon't want answer.of this it was typed by mistake
- Q Asychronous Counter Design a counter 5 to 15, FF JK orRS
- Q Consider a system with the following transfer function,G(s) = 10/ [s(s + 1)].Design a compensator according to the following designobjectives:• Kv = 20 sec−1 ;• PM = 50 oF;• GM...
- Q Design a PLC ladder logic program to implement an automaticCar-Wash process. The system should have astart and stop pushbuttons. When a Car enters the washing skid, aload cell switch is...
- Q Can you please just answer part 2! Thank you1. Suppose x(t) is a square wave of fundamental frequency 1000rad/s. It gets processed by an ideal low-pass filter with cut-offfrequency 1200...
- Q QUESTION 1What is NOT a solid reason to recommend sputtering in Argoninstead of e-beam deposition?1.You want purer films with no trapped inert gas.2.You want better film adhesion.3.You want to deposit...
- Q (Use Smith Chart) A 50 Ω line is terminated bya 75 Ω resistor. The input terminals are connected to the outputterminals of a 30 Ω line. Both lines are 0.12...
- Q 1) a) Give daily examples of low pass, high pass, band pass andband stop filters.b) Design 4 filter circuits with active circuit elements.(design according to the frequencies below.)Low Pass Filter...
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