Electrical Engineering question and answers for July 26, 2023
- Q One period of a real-time signal x(t) =2Sin(20*pi*t) , startingat t=0, has to be processed in a 4-bit digital computer. The A/Dcard have a sampling frequency of 55Hz and the...
- Q (6) In the presence of an applied electric field, the bandgap ofa semiconductor effectively(Â Â Â )(A) Increases with increasing electric field, and decreases withdecreasing temperature(B) Decreases with increasing electric field, and increases...
- Q In this experiment you will use an online circuit board to buildthree circuits: a series circuit with three resistors, a parallelcircuit with three resistors, and a circuit with a combination...
- Q Can you give me any information and equations/pictures you canfor:1.Op amp bandwidth limitations/ gain bandwidth product2.negative feedback3.closed loop gain4.input bias currentI have a test tomorrow and those are the four...
- Q A train runs between San Diego, and Kansas City, which is 4 kmapart and maintains voltages of 450 volts and 400 voltsrespectively. The resistance of go and return is 0.05...
- Q Diesel generators are common in off-grid power systems. Typicaldiesel generators consist of a diesel prime mover coupled to theshaft of a synchronous generator. Describe the role of an AVR in...
- Q Design a clocked synchronous state machine with two inputs, Aand B, and a single output Z that is 1 if(1) A had the “different†value at each of the two...
- Q b)As a Biomedical Engineer and Medical Practitioner, why it isimportant to know on how to differentiate between Microshock andMacroshock?​​​​
- Q ?(?) = (? + 5)/[s(s+2)(s^2+6s+10)]Sketch the root locus by hand. You may verify your sketch usingMATLAB but you must show sufficient intermediate work forsketching.Use MATLAB to identify the proportional controller...
- Q 1.Theories about Signal Generator.2. Allpossible equations in the study of signal generators.3.List and explain with the use of diagrams types of signalgenerators.
- Q Compare between subtractive and additive fabrication process
- Q Write a VHDL code and testbench for a positive-edge-triggeredJK-type FF with asynchronous active-low reset (RN) - JKFFR
- Q Why does 4G/LTE use narrowband OFDMA technology?
- Q Assume a 64Kx8 Memory is designed using 16Kx1 RAM chips. Howmany address lines must be decoded externally to each 16K RAMchip?
- Q A solar cellfabricated with a p-n junction has an open circuit voltage of 0.6Vand a short circuit current of 20mA/cm2when exposed to asolar insolation of 1000 W/m2, and has a...
- Q Photovoltaic (PV) arrays have become very popular in on-grid andoff-grid systems due to their simplicity, low emissions and lowlevelised costs of electricity.PV arrays are connected to grid systems via power...
- Q (a) DRAW and EXPLAIN the Structure of the BG unit.and  Cascading standard CMOS NAND gate to a BG unit.(b)TRUTH TABLE OF BG PRECHARGE UNIT, TRUTH TABLE OF BGPREDISCHARGE UNIT
- Q Can anyone provide useful source or information about Doubly FedInduction generator ? I can able the basic information on theoperating principles of DFIG, however, I want more informationabout the innovations,...
- Q A shunt motor has a supply voltage of 200 V andarmature resistance of 3.6 Ω. At certain torque the motor run atspeed = 1200 R.P.M and take a current of...
- Q Design a four bit down counter with a 7 segment display(hexadecimal digits 0-F)Part 1: Implement a seven segment display for hexadecimaldigits (0-F).Recommended to first try implementing the seven segmentdisplays for...
- Q The following problems are related to PIC18F46K22 datamemory:(a) What is the data memory space and actual implementedsize?(b) What does direct addressing mean?(c) What does indirect addressing mean?(d) What is the...
- Q Speed control of motors (ac motors as well as dcmotors) can be accomplished byusing solid-state switching circuitry In one such method, asolid-state relay is activatedusing a switching signal generated by...
- Q Which of the following combinations of gates can be used to makea clocked SR flip-flop? Assume NOT gates have one input each, allother gates have two inputs each. (One or...
- Q Design an 8-bit adder. Show the truth table, logic circuit, andVerilog code.
- Q Forwhich specific applications, electrostatic voltmeter is used? Givereasons for such uses.
- Q Give an example on industrial application to the BJT with someexplanation and draw the circuit diagram for the application whichyou chose Â
- Q Design a bandstop filter with a cutoff frequency of -3dB at W1 =100 rad/s and W2 = 10,000rad/s. Confirm by plotting the magnitudeand phase of the transfer function in matlab.
- Q in full bridge inverter system, distinguish whichharmonic that need to be eliminate
- Q Design a state Variable Filter that has a corner frequency of100 KHz and a quality factor (Q) of 20. Assume both thefrequency-determining resistors and capacitors are equal.
- Q Design, simulate, build, and test a passive first-order bandstopfilter to remove a 440Hz noise component from an audio signal.Elements available for your design are1) Resistors (ranging in value from 1Ohm...
- Q Howwill you prepare and negotiate a contract?
- Q A matlab program to enter N numbers and count thepositive, negative and zero numbers. Then print the results
- Q 1- How do you evaluate the powerfactor of the transformers when lightly loaded? And why?2- How can eddy current loss be reduced?3- How can hysteresis loss be reduced?4- How can...
- Q This question is being asked from chapter 5 of the book electricmotors and control systems 2nd version and the files attached.file:///C:/Users/prime/Downloads/ET55a%20Single%20Phase%20AC%20Motors%20%236B.pdffile:///C:/Users/prime/Downloads/ET55a%20Three%20Phase%20AC%20Motors%20%236A.pdf1. What are the differences (in construction, starting torque,and operation)...
- Q Design a 64M x 64-bit memory using 16M x 16-bit memorymodules.
- Q I need to develop a VHDL code for a FPGA basys 3, 4 digit 7segment display. So when binary 0, 1 ,and 2 are inputted thedisplay says bad. When binary...
- Q Design a matlab code that:1-play sound2- add noise to the sound3- filter the noised signal using fir or iir filterNote: FIR: Finite impulse response filterIIR: Infinite impulse response filter
- Q Describe an industrial process that is affected by large deadtimes, paying special attention to their origin and causes.
- Q 1:Explain what is an interrupt and itsprocess.                                                                 2:State any three difference between top-down and bottom-updesign strategies3:What is the difference between Interrupt and pollingtechnique? Which one is preferableand why?
- Q A 60-Hz, 208-V, 2 pole wye connected induction motor is rated at15hp. The equivalentparameters are as follows:RS = 0.2 Ω RR’ = 0.120 ΩXS = XR’ = 0.41 Ω Xm...
- Q Please solve the homogeneous differential equation forthe voltage across a parallel RLC in which resistance isnegative.Thanks!
- Q What are the general process of manufacturing the rfboards and how the rf work?
- Q Company A is a high voltage equipment manufacturer. Theyproduced high voltagetransformers rated 300 kV and above. All high voltage tests such asAC, DC andimpulse have been conducted to the equipment....
- Q Inductor is the main cause which deviates the center frequencyregardless of messagesignal. Due to the reason use of inductor in FM Modulator iscritical. Similarly, in case ofIC modulators inductor induces...
- Q Question 3 csa. Discuss the key performance indicators in datacommunication that stimulate network performance measures.
- Q In a flow control loop in a process for which you are specifyinga flow sensor, it is undesirable to insert any sensing device intothe actual flow because of interference with...
- Q Consider a 12-bit ADC with an analog input voltage range of 0 to3 volts.a) Compute the ADC precision, ADC ranges for input and output,and ADC resolution.b) What is the binary...
- Q 1. Determine the characteristics of Transistors for differentclassification?
- Q For both problems 2&3 below use straight line anddouble declining balanceBoth methods should be applied to each problem, Find theyearly depreciationAmount and the End of year Book Value2- Consider the...
- Q Design the pyramidal horn antenna which operates at WLAN pointto point frequency. The horn antenna must have directivity of 22and HPBW of 30 degree in E plane. Then, determine the...
- Q Design by multisim software a square, triangular and sine wavegenerator. Prepare the design calculations, gain and feedbackfrequencies of each of the circuits to implement.1) In a single design, implement 3...
- Q DC motor is driven at 1,500 rpm at Tdey=Tout=5N.m andkT=kE =Kf=0.5 in MKS units. (Supplyingvoltage is Vd=200V) Determine max. and min. inductorcurrents by your calculation (30pts) Ra=0.35W, La=1.5mH,fs=25kHz, Ea= kEω
- Q What will be the advantages of short term load forecasting? Whyis it essential to determine the week ahead load demand?
- Q Please give brief explanations and the example of howto solve problems on buck boost LDO, modulated signals with threedifferent frequencies.What are the UFO VHF UHF and different types of frequency...
- Q Design a circuit that takes two strings of binary digits andoutputs 1 (True) if the strings “partially†match, and 0 otherwise.To keep this manageable assume the two strings are three...
- Q a) Draw the Integral Receiver circuit with input resistance (R1)5 KΩ, feedback capacitor (CF) 10 nF and feedback resistance (RF)100 KΩ.b) In the case of applying a signal in the...
- Q write a truth table of 74LS164- an 8-Bit Serial In/Parallel OutShift Register using behavioral style using VHDL
- Q The impulse response of a discrete-time LTI system is given asℎ[?] = ?[? + 1] − ?[? − 1] a) State whether or not the system is(i) memoryless, (ii) causal,...
- Q please I need the short answer for these questions1. Words power and energy are often used internchangeeably .Is that correct ? Explain .2. What is the approximate trading price for...
- Q I am trying to make a temperature warning system inLabVIEW.given temperature T, I want a green light to turn onwhen temperature is less than 75 degrees. when the temperature isbetween...
- Q Derive the small-signal model for the buck-boost converter. Thenfurther derive Gvu(s) and Gvd(s).
- Q draw the block diagram of the CRO and explain thedifferent components
- Q Explain how a shift register may be used to expand the outputcapabilities of a processor when only utilising a few pins
- Q a)In applying pull up and pull down principle, demonstrating allsteps and in your ownunderstanding use Y = A +{ B × ( C +D ) } to DESIGN four input...
- Q For synchronous generator to work at lagging PF and unity PF,which one have more efficiency? Why? (Ra is not equal to zero)
- Q From the construction point of view, enumerate the commonessential features of rotating electrical machines.
- Q Please answer the following questions in \"Energy EfficiencyBasics\" multiple choice:QUESTION 7An electrical system has 52.9 kVA and 50.5 kW. How many kVARs ofcapacitance are required to correct the power factor...
- Q Verilog code to make 8bit bcd to 8bit binary pleasewith testbench
- Q How can buffer overflows be avoided and what are the stepsinvolved in a buffer overflow exploit?What are some of the C functions susceptible to bufferoverflow?
- Q Given a Boolean function: f(a,b,c,d) =ï“m(1,6,7,10,12)+dc(3,4,9,15). i) Design a circuit for implementingf(a,b,c,d) with ONE 4-to-1 MUX and other basic logic gates. USE aand b as select inputs. ii) Draw the...
- Q Starting from the dynamic equations of the PM DC motor obtainthe voltage-to-speed transfer function in s-domain. Draw the blockdiagram.
- Q Design an analog-digital converter circuit with OpAmp thatreceives a 5 Vp sinusoidal signal and a 3.5 V trip level as input.It must deliver a TTL (Low / High) signal as...
- Q Please answer the following questions (Show procedure) ....Thank you.1. Calculate the cutoff frequency of an active first orderlow-pass filter with an R1 = 12kOhm and C1 = 0.02 uF.2. Calculate...
- Q A 480 V, 50 Hz, Y-connected six-pole synchronous generator has aper-phase synchronous reactance of 1.0Ω. Its full-load armature current is 60 A at 0.8 PF lagging. Itsfriction and windage losses...
- Q Suggest two techniques to compensate the effect ofdistance between the sensor and forehead on the accuracy of IRtemperature sensor andDesign an experiment setup for determination the time constant of athermistor?
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