Electrical Engineering question and answers for July 25, 2023
- Q Explain circular convolution and DFT? provide an example.
- Q A15 or 20 amp branch circuit shall be permitted to supply _____loads. A. lighting B. utilization C. both D. neitherNMS cable shall be permitted to be used in storage batteryrooms...
- Q Compare industrial Control and Instrumentation equipment to thatfound in commercial electronics such as televisions. Highlight atleast two (2) critical aspects in which industrial systems differfrom commercial systems.
- Q Consider the following linear difference equationyk −0.55yk−1 +0.12yk−2 +0.08yk−3 =xk−1 +1.5xk−2 ,defined for integers k ≥ 0.(a) Assuming that the initial conditions y−1 = y−2 = y−3 = 0,what is...
- Q ihave a drowning detection system composed of waist belt whichincludes multiple sensors to detect drowningwhat sensors can we use? can you give me sugestions withdetails pleaseand can we use heartbeat...
- Q An induction machine has four poles and is powered bytwo three-phase sources. The first feeds the stator at 60 Hz andthe second feeds the rotor at 180 Hz. Knowing that...
- Q 1. (a) A temperature control process has a first-order responsewith a step response time of 12 seconds. In selecting a temperaturesensor for the control system for the process, for what...
- Q Write an essay about the online exams at youruniversity ?
- Q Please provide as much details as possible.Define stability of a system and state the criterion (orcriteria) for a system to be stable. What happens to an unstablesystem in terms of...
- Q A) A 150 + j300 Ohm load is connected to a 75 Ohm transmissionline. Determine the value of the reactance to put in parallel atthe input to the line and...
- Q design a circuit of an alarm system that has buzzer that ringsfor 2 minutes and LED'S that flicker for 2minutes.
- Q TOPIC; RENEWABLE ENERGYDESIGN A SOLAR PLANT SYSTEM TO SUPPLY A HOMEMUST INCLUDE ALL INFORMATION FROM BASIC CALCULATION, TOTAL KWHPER MONTH, CHOOSE BATTERY SIZE, CHOOSE ARRAY, INVERTER.PREPARE A REPORT THAT STATE...
- Q A 14.2-mH inductor carries a current i = Imax sin ωt, with Imax= 5.20 A and f = ω/2π = 60.0 Hz. What is the self-induced emf as afunction of...
- Q Design an active high pass filter with a high frequency gain of5 and a cutoff frequency of 2kHz. Use a 0.1 uF capacitor in yourdesign.
- Q difference between electronic circuits and analogy circuitsdifference between electronic circuits and analogy electronics
- Q Briefly explain the differences between a VTVM and amultimeter
- Q 1- Aliasing can affect DFTs, where higher frequency signals canappear as lower frequency signals due to the use of an N point DFTthat has a limit to the highest frequency...
- Q How to use or embed assembly routines/codes in C programs?
- Q Design an IIR digital filter based on the bilineartransformation method using the following transfer function as areference (use three decimal places of precision for yourresponse):H (s) = 5 / (s...
- Q Synchronous generators are kept in synchronism bythe:
- Q full theory and mathematical derivatives behindinduction type Instruments
- Q 1) Implement the given logic function using a 4:1 MUX. F(A,B,C)= Σm(0,1,3,7) Show the truth table, the 4:1 MUX schematic with theinputs, select inputs and the output.2) 2) For an...
- Q A construction unit Class C Basic Toolroom has a 110 volt 20Acircuit has the following items: three 200 watt lights, a 2500 wattheating machine, a 1000 watt heating machine and...
- Q what is the essential band width of a signal
- Q List the starting methods used in starting 3-phaseinduction motors and explain any two of these methods.
- Q Search the Internet for four single-phase inverters andsummarize the operating conditions in a table and discuss theresults.
- Q Choose the correct answer 1. Telegraph signals are examples ofa. Digital signals b. Analog signals c. Impulse signalsd. Pulse train2. DTFT is the representation ofa. Aperiodic Discrete time signals b....
- Q Determine the current in the circuit by calculating the currentin the resistor. Note: We will use I (and VR since ithas the same phase) for reference throughout our analysis(VR/R =...
- Q Design a Traffic Light that upon reset, turns Red for 10seconds, then Green for 10 seconds, then Yellow for 5 seconds.Assume a CLK period of 5 seconds. Draw the State...
- Q Design a16-bit RISC MIPS Processor.Develop modules, a block diagram, Verilog codes used, and thewaveforms screen-prints.
- Q 1. a) Compute the impulse response of the following filters. Ifthe impulse response is infinite, feel free to stop once a patternbecomes apparent.i. y[n] = 2/3 · x[n − 1]...
- Q Question:Modern signalling systems require different levels of safetyintegrity levels for communication between different systems.Provide a system architecture which shows a signalling systemincluding:i) The signallers’ interfaceii) The interlockingiii) Object controllersiv) Line...
- Q Write a report 3-4 pages in DSPDigital FIR filter design Analysis {Low Pass Filter(LPF) ,HighPass Filter(HPF), Band Pass Filter (BPF), Band Stop Filter (BSF)}Design1-way of design and system pools evaluation
- Q The efficiency of a 400-kVA, single-phase, 60-Hz transformer is98.77% when delivering full-load current at 0.8 power factor, and99.13% with half-rated current at unity power factor. calculate:(a) The iron loss. (b)...
- Q Assuming that the length of a lossless transmission line withthe normalized load impedance of zL = ZL/Z0 = 1 + j1 is l = 2.25λz, there are a total of...
- Q Use Omron PLCa) Create a ladder diagram (logical) that a bulb indicates when a box is filled with 10 items.b) Write (make) the programming (mnemonic) languagec) Describe (write with your...
- Q Critically evaluate different techniques used to solve problems onseries-parallel R, L, C circuits using A.C. theory.
- Q Draw diagram showing 8088 microprocessor connected to 4 memorychips each of 32K, mapped to memory address starting fromD0000.
- Q please can you do VHDL coding for 8:3 priority encoder with testbanch and run and simulating in modelsim Also , can make the codeeasy to copy and big screen for...
- Q C: Postlab Section: Design Calculation1. Show the state table of 4-Bit synchronous binarycounters.2. Derive the transition table for JK flip-flop.3. Derive the logic equation using Karnaugh Map.4. Draw the corresponding...
- Q An unbalanced wye connected wye connected load of threephase resistances with Ra=60 ohms,Rb=40 ohms andRc=80 ohms is connected to a 440V,negative sequence, balanced 3 phase, 3 wire supply. Calculate thecomplex...
- Q Consider thedifferential equationy′′(t)+15y′(t)+56y(t)=−210exp(-1t),with initial conditions y(0)=−14, andy′(0)=72.A)Find the Laplacetransform of the solution Y(s). Write thesolution as a single fraction in s.Y(s)=______________B) Find the partialfraction decomposition of Y(s). Enter all factors...
- Q Coin toss experimentIn this experiment, determine the number of heads and tailsafter flipping a coin for 1000 times. Use two different methods tofind number of heads and tails:Use for loops.Use...
- Q A 3-phase line has a resistance of 9 Ω/phase and a reactanceof 23 Ω/phase. The load at the receivingend is 130 MW at 0.8 p. f. lagging. Find the capacity...
- Q A  three-phase,  460-V,  60-Hz,  six-pole  Y-connected  induction  motor  has  Rs = 0.32Ω, R′ r = 0.18 Ω, Xs = 1.04 Ω, X′ r = 1.6 Ω,  and  Xm = 18.8 Ω.  The  no-load  loss,  ...
- Q A carrier signal of (500 kHz) is amplitude modulated to a depthof 75% by a single tone modulating signal of 18 KHz. The carrieramplitude is 800 Volts , and the...
- Q Design a RAM circuit such that using two 64x16b RAM chipsconstructs a128x16b effective size memory circuit. Use the MSB of theaddress lines as the enable line.(Note: you will need to...
- Q Why in a metal parallel-plate waveguide does TM0 exist and TE0does not? Or is it the other way around?
- Q Create a 1Mhz sine wave output without any crystaloscillator in Multisim. This will be used in AM transmitter.
- Q A 3-phase 208V line-to-line), 4 pole 1746rpm induction motor istaking 45kVA at 0.9 power factor. The total developed torque is2000N-m and the rotational losses are 1.5kW. Determine thefollowing: a) The...
- Q what are the components of the reactive power compensation withdescription and figures?
- Q QUESTION 5:A) Given that Van = 230  ̶10o for positive sequence voltage Y connection load,Find the phase voltages and line voltages then draw a phasordiagram to show all voltages.B) Consider a...
- Q Explain why light is trapped in an optical fiber.Describe at least two cases where you have observed the effectsof light refraction besides the case of a swimming pool.Why the fabrication...
- Q Define the term “fixed, long-lasting permissiblecurrentâ€. What parameters are important to calculateit?
- Q Design and simulate a Wein bridge oscillator that will oscillateat 2 kHzplease use online multisim
- Q Code in Matlab for a low pass filter and a high passfilter. Each filter must show the frequency response (magnitude andphase) in graphs properly labelled.
- Q Design hexadecimal to 7 segment by doing its truth table, itsBoolean expression using karnaugh map and then expressing it usinglogic gates.please this is the second time I post this question,...
- Q How is the active power regulated in a synchronousgenerator?
- Q Give examples of 3 distinct types of filters (band pass, highpass, and low pass). Create a diagram and a statement of thecharacteristic frequency scale of each in terms of the...
- Q a) Describe how each of the following can be achievedi. controlling a DC motor with pulse width modulator.ii.controlling a stepper motor that has a built-in controller.
- Q The test results for the approximate equivalentcircuit of a three-phase induction motor are shown below.No-load test: equivalent applied voltage 120 V, input current 5 A,equivalent input 480 WRestraint test: Applicable...
- Q How many passwords are possible?Passwords must:be more than 8 characters long but no more than 30Use lower case, upper case, a number, and a special character[like ~ ! @ #...
- Q 1. An LED is connected to PORTB.5 of ATmega328microcontroller.Write a C Program that toggles LED after 0.5 Seconds. Assume XTAL =16MHz.To generate this delay use Timer 1 CTC (Clear Timer...
- Q Explain the operation of the isolation amplifier. Design acircuit that takes an input voltage and outputs a scaleddifferentiated version of the input minus a scaled version of theinput, at the...
- Q a 240v, 4pole shunt motor running at 1000 r.p.m gives15 hp with an armature current of 50 A and field current of 1 A.the armature winding is wave connected and...
- Q Briefly describe the classification of three main groups ofmagnetic materials, namely Diamagnetic, Paramagnetic andFerromagnetic, in accordance with their relativepermeability,??.Define remanent flux density and coercive fieldintensity, use sketches if necessary.
- 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 simulate the 7T SRAM in cadense tool.show the response ofwaveforms.
- Q x[n] is the input of a system and y[n] is the output of thesystem. The relationship between the input and output is thefollowing: y[n] = x[n]u[n+1] a) Is the system...
- Q Operational amplifier questionDesign a non- inverting amplifier with gain of 7.5?
- Q Write the VERILOG code for an arithmetic/logic unit (ALU) with atest bench that does the following with 4 bit inputs , and can betested in on nexys 4 boardThis is...
- Q Voltage amplifiers are available with Avoc = 8 V / V, Rin = 1.8kΩ, Ro = 850 Ω. With a 12V DC power source, each amplifier draws1.5 mA average current.a)...
- Q Summarise / compare the following diode models and contrast themagainst the characteristics curve of a real diode; Ideal;Practical; Piecewise Linear. Also draw the equivalent componentmodel of each.
- Q Derive the small-signal model for the buck-boostconverter. Then further deriveGvu(s) andGvd(s).
- Q I have to be able to teach and explain by presentationon \"designing an asynchronous counter in VHDL\" thank you! pleaselayman terms.
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