Electrical Engineering question and answers for July 30, 2023
- Q What is excitation as applied to electricalmachines?
- Q When you created your Perimeter Design Project, if there hadbeen a set budget of $10,000, how would it have affected your plan?What would you focus on, why? Research two real...
- Q You are entering a letter ‘B’ from an input device to bedisplayed on a monitor via an 8-bit microcontroller. Describe thesteps/processes of the 8-bit microcontroller needs to perform todisplay the...
- Q What is an interrupt vector table. How do I create an interruptvector table in Arm Architecture . Please include as muchinformation as you can, including pictures, examples etc. Thank youvery...
- Q Which has the greatest NPV assuming a 25 year planninghorizon and MARR = 12%?Install a $20,000 solar system that will last 25years, and generate 38,000 kWh/year at $0.10/kWh.Install a $25,000...
- Q A 440-V, 3-φ 50-Hz, 4 poles, 37.3 kW, Y-connected inductionmotor has the following parameters:R1= 0.1 Ω, X1 = 0.4 Ω , R2′ = 0.15 Ω , X2′ = 0.44 ΩMotor...
- Q Typed please. Discuss timer features, setup, control, and taskprovided. What is pulse width modulation? What are key items toconsider to configure and to control the pulse width modulator?
- Q Design a sequential traffic light controller for theintersection of street A and street B. Each street has trafficsensors which detect the presence of vehicles approaching orstopped at intersection.Sa=1 means a...
- Q what are the two basic types of control circuits
- Q Question 6: Recommend/ Explaina program that takes the information of 40 students in followingorderName:Father Name:Enrollment number:Date of birth:After taking the information of the students, it then displaysthe entered information.
- 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 Please describe the major difference between the Model basedsystem and a Smith Predictor (i.e. what was required additionally,by one of the two systems).
- Q consider a system with the impulse responseh(t) = e −t [u(t) − u(t − 2)]. (It's exponential function)Let the input signal x(t) be x(t) = 1 if 0 ≤ t...
- Q Problem 3: A single phase 60 Hz two-winding power transformer israted at 2400V/240V and 100 kVA withZeq = 0.5 + j0.8 Ohm. If an autotransformer is built from thisconventional transformer...
- Q The complex power absorbed by a load is S= 850∠-25â°. This meansthe load is ________ and pf is___________(a) Inductive , lagging(b)Inductive, leading(c) Capacitive, lagging(d) Capacitive,leadingThe answer is D but why
- Q Write a Pseudo Code to send an Array of 20 elements from 8051 tothe computer via serial port at maximum baud rate possible withXTAL=11.0592MHz.
- Q Can you show the calculations of how the sensors areworking;1-ACS712 (10A) current sensor.2-UV radiation sensor.3-DH22 Temperature sensor.please show step by step calculations.
- Q 1)How does a.c. distribution differ from d.c. distribution ?2.) What is the importance of load power factors in a.c.distribution ?3). Describe briefly how will you solve a.c. distributionproblems ?4) difference...
- Q can anyone solve this for me ?x(n) ={-2,-1,1,4,2} ( arrow at 1)y(n)={-4,2,-1,0,2} ( arrow at 0)I want the convolution and correlation of those two signals,first using tabular method and then...
- Q 3. What are the two rules for keeping the Quantum in QuantumDot? Explain each rule.
- Q can i ask FSM verilog?----------------------module FSM(clk, rst, choice, out);input clk, rst, choice; output reg [1:0] out;reg [1:0] state, nextstate;parameter [1:0] S0 = 2’b00, S1 = 2’b01,S2 = 2’b10, S3 =...
- Q How many lights can be placed on a 15 amp branch circuit? Whatis the Canadian Electrical Code rule?
- Q Implement a circuit for following scenario using NOR gate only,draw circuit using multiplexerIn a certain chemical – processing plant, a liquid chemical is usedin a manufacturing process. The chemical isstored...
- Q what are the steps needed to be done in Matlab in order todesign a PID controller? ( i need a step-by-step guidelines) thetransfer function is already obtained. how do you...
- Q We want to build a circut that measure the resistance of thehuman body and convert it to voltage and the circut should have aled that work when the resistance of...
- Q Add the following BCD numbers, and convert theobtained BCD result into thecorresponding decimal, and then convert the decimal result into thecorrespondingbinary, then compare the number of bits required for binary...
- Q Time delays are useful in many programs, including here. Thisfirst part requires you to create a subroutine which can be used togenerate a delay of required time. Write a delay...
- Q Create a 3-bit counter in verilog that cycles through thissequence, 6,2,4,5,0,7,3,1, with a synchronous rest 4.
- Q (i) Design an 8-bit ripple adder which can add together two8-bit numbers, inside a hierarchical block. Explain your design.Name your block with your student number: eg “123456 ripple adderâ€.(ii) Test...
- Q 1. In a power system with negligible resistance, the three-phasefault current at a point is 8 pu. The series reactance to beinserted at the fault point to limit the short...
- Q Derive the equations (for average value of load voltage) ofthree phase half controlled rectifier and three phase fullcontrolled rectifier ?
- Q : A dc motor develops55 N-m torque at a speed of 600 rad/s when 12 volts are applied. Itstalls out at this voltage with 100 N- m of torque. If...
- Q 6. A 30 MVA generator with 15% reactance is connected to a busbar. A 25 MVA transformer with 10% reactance is also connectedthrough a 10% bus bar reactor to the...
- Q History, Importance and Usage of IoT CircuitBreakers
- Q 8. Three 6.6 kV, 12 MVA, 3-phase alternators are connected to acommon bus bars. Each has reactance to positive sequence current of15%. The reactance to negative and zero sequence current...
- Q Implement 1x4 de-multiplexer using data flow modeling inverilog, also write its test bench.
- Q Using an arduino, breadboard,  ultrasonic sensor,buzzer, lcd and red led display distance in centimeters,If needed, use a rotary potentiometer, male to male cable (m-m)female to male cable (f-m) or any resistor...
- Q what are the possible safety issues of smartwatch and how to tacklethem ? ( at least 5)
- Q Discuss briefly regarding the classification of power amplifiersbased on the operational modes. Declare the region of the device. [10M ]
- Q Explain the concept of Social Constructivism in its relation totechnological development
- Q Use the Smith Chart to find the shortest lengths of anopen-circuited length of 50 Ω line to give the following inputimpedance.(a) ZIN = 0(b) ZIN = ∞(c) ZIN = j25...
- Q kindly provide the pros and con allong with their propertiessuch as input impedence and output impedence , no derivations justknwoledge of the following op amps1-inverting amplifier2-non-inverting3-summer amplifier4-voltage follower5-op amp difference...
- Q What is difference between a 120V/240V step-up and 240/120 Vstep-down single phase transformers? Both transformers are rated 5kVA and operated at 60 Hz. Explain your answer by means of relevantdiagrams...
- Q Using known op amp configurations, design and draw an op ampcircuit to convert Farenheit to Celcius. C=5/9(F-32)
- Q (i) Consider a CMOS inverter supplied atVDD= 5V with transistor parameters ofKN=KP=50µA/V2 andVTN=-VTP=1V. Then consider another CMOSinverter supplied at VDD= 10V with the same transistorparameters. Draw the VTC of both...
- Q You have an equipment to install that has two inputpins for power: GND and -5VDC. You look around and the only sparepower supply you could find is a +15VDC. What...
- Q What would be the ideal wavelength range for Si and GaAsphotodiodes to produce maximum currents?Please show logic and or calculations
- Q A2)i) What is the cause of the junction capacitance and diffusioncapacitance of a pn junction? Under what condition the junction anddiffusion capacitance of the pn junction will exist?ii) Is the...
- Q a)Differences between asynchronous and synchronous generators?Which one applies in the plants and why?b)Where do gas and steam turbines apply, not to mention in powerplants?c) What are the main components of...
- Q why reactive power limits (Qmin, Qmax) of PV buses should beavailable as input data
- 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. Why does an induction motor (with a squirrel cage...
- Q Explain, in your own words and without any detailed circuitanalysis, why the CE-CB cascode amplifier extends the upperfrequency range of the corresponding CE amplifier.  Your explanation should take no longer than...
- Q Assume we have aparallel-plate capacitor.(1) If we increase thedistance between the plates, what will happen to its capacity?(2) If we increase thesurface area of the plates, what will happen to...
- Q For a capacitor with AC voltage source, it is said that thecurrent can be split into a capacitive current component andresistive current. My professor says the displacement andcapacitive current is...
- Q Difference between SPIC and the microcontroller?
- Q Total: 100marksGeneral Directions: Answer as DirectedQ1. The peak I/P line voltage for 3phase bridge rectifier is 400V with a resistive load of 30 ohm.Calculate the followings;O/P rms voltageO/P load currentThe...
- Q A resistor, inductor, and capacitor are connected in parallelwith a function generator. Calculate the apparent power of thecircuit.Enter your answer in VA but do not enter the unit. Round to...
- Q I need an Arduino uno code to measure high low levels withhcsr04 of a tank and display it on i2c 20x4 lcd.
- Q If up to 40% of an engineer's working time spent writing andcommunicating, why is communication not a more substantial andsignificant part of an engineering students educationaltraining?
- Q A 3 phase 450V (line-to-line), 1150rpm induction machine has thefollowing equivalent circuit parameters. R1=0.33 Ohms, X1=1.3OhmsR2 = 0.25 Ohms X2 = 40Ohms. Determine the following: a) Ratedstator current (per-phase) b)...
- Q Design and implement a sequential circuit that counts from 0-3in a repeating cycle with two inputs: step and reset. If the stepinput is 1 the count progresses to the next...
- Q comparison of class A and class B amplifiers ?
- Q If you're not answering all three parts of this question, don'tanswer it.Consider the following FSM VHDL code:library ieee;use ieee.numeric_std.all;entity fsm isport (clock, input, reset: instd_logic;output: out std_logic_vector (2downto 0));end;architecture bhv...
- Q Plot the effect of proportional (Kp), integral (Ki), andderivative (Kd) gains to a step-change in an error signal, e(t). Atleast make three plots (1-3), each containing three graphs:1. Graph 1...
- Q (a) Explain the principle of transformer action.(b) Derive an expression for the e.m.f. induced in a transformerwinding. Show that emf per turn in primary is equal to e.m.f. perturn in...
- Q Six poles, 60 [Hz], and three super-executive induction motorshave total load revolutions of 1,050 [rpm]. In order to rotate itto 1000 rpm on the same torque, determine what external resistance[ohm]...
- Q Write VHDL code (behavior model) to implement a 4-bit modulo-9counter and simulate your VHDL code of 4-bit modulo-9 counter inModelSim, and capture the screenshotof your simulated waveform.Assume clock period Tclk=100ns,...
- Q A factory need a drive system for a conveyer system. Voltagesource available is three phase 415Volt, 50 Hz. Electric motor that they use is DC motor.(i) How the design of...
- Q Draw a PLC ladder logic diagram to simulate the operation of asequential taillight system. The light system consists of threeseparate lights on each side of the car. Each set of...
- Q 3. For the following analog signal: xa(t) = 3sin(40Ï€t) +3cos(50Ï€t) which is sampled at a rate of 100 samples/second. a.Design an IIR digital filter that will pass the first component3sin(40Ï€t)...
- Q Could you drive full-substractor for 1 bit . Could you usenand,nor,inverter,or gate. Those gate should combine ourcircuit.You can not use other gate. Thank you for support.
- Q Note: Draw theschematic and code for each of the following question. All questioncarries equal marks.1. Design heat controlsystem as follow.Design a system tomaintain the temperature of the system at 37...
- Q One main feeder have two sub feeders (Sub Feeder-A and SubFeeder-B). If the Sub Feeder-A has demand at a time to be 35 kW andSub Feeder-B has demand at a...
- Q find rise time and fall time and logical effort for 5 input NANDgatesketch 5 input NAND gate, then add the capacitors in order to findthe rise time and the falling...
- Q Assuming a reciever is located 10km from a 50wtransmitter. the carrier frequency is 1900Mhz, free Gr=2,findI) the power at the receiver,II) the magnitude of the E-field at the receiver antenna,iii)...
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