Electrical Engineering question and answers for July 23, 2023
- Q Mr. Ndugu is using a HC-SR505 PIR motion sensor module in a labproject. Please suggest Mr. Ndugu a proper way to connect thissensor to the Open1768 development board (i.e. to...
- Q 1) Determine the frequency deviation and modulation index for anFM modulator with 8Hz / mV frequency sensitivity to which amodulating tone equal to 5Cos (2Ï€5000t) has been applied.select an answer:a....
- Q Given the following statements, which describe best an objectwith increasing kinetic energy? I. A ball dropped from 10 metersII. A ball thrown vertically upwards III. A tennis ball rollingacross the...
- Q A: draw the scheme of nuclear reactor and explain theduty of control rodsB: what is the main components of overhead transmission line(explain briefly)
- Q Create a circuit that allows the client to add numbers one byone into a register file (8 four-bit registers) by inputting:1) the number itsself2) the memory locationThe circuit can be...
- Q Thoroughly explained2. All possible equations in the study of signalgeneratorsAtleast more than 2 pages
- Q Using a general Op-Amp 741, design a first order and asecond-order low-pass filter with cut off frequent of 5kHz. Subjectsinusoidal inputs with frequency from 1kHz to 10kHz and plot thefrequency...
- Q Classify the following system with output current given (by theequation below) as linear/non lineari0(t)= 5 i1(t) + 8 i2 (t-10) + 0.25 i3 (t+2)Is this linear or non linear
- Q Design a mealy machine that generates the output Z=1 when itdetects an even number of 1s and odd number of zeros. Draw thestate table and circuit diagram for it with...
- Q Create a 4 bit register and explain how it works
- Q 2. A sequential circuit has two pulse inputs, x1 and x2. Theoutput of the circuit becomes 1 whenever the pulse sequencex1x1x2x2x2x1 is detected. The output then remains 1 for allsubsequent...
- Q An analog signal has a constant magnitude spectrum upto 4KHz.After 4KHz, the spectrum attenuates at 15dB/octave. Sketch thespectrum.a. Case 1:The signal goes through a system with an ideal antialiasing LP...
- Q Describe briefly the relationship between the HVAC systems andIAQ.
- Q Briefly describe the use of cascade control and its mainbenefits.
- Q a) Give TWO (2) types of rotor in synchronous machine anddescribe the differences of these two rotors.b) A three-phase 11kV, 12 MVA, 50 Hz, 4 poles, Y-connected, 0.9power factor lagging...
- Q Use your knowledge of timers or timing mechanisms with theDo-More PLC Designer & Simulator to create Pulse WidthModulation (PWM) circuits. Trigger the following outputs:a)Y0 with a duty cycle of 25%b)Y1...
- Q Using your own words, explain how Siemens HMI output can becreated.
- Q The synchronous generator or alternator is an electrical machinethat converts the mechanical powerfrom a prime mover into an AC electrical power at a particularvoltage and frequency.The synchronous motor always runs...
- Q You want to conduct an experiment to understand how the powergenerated by a wind turbine is affected by the speed of the wind.Write your hypothesis (1point) and explain how you...
- Q (b) Explain a 1-Ñ„ full wave controlledsemi converter with freewheel diode for RLE load.
- Q You have access two 7-segment decoder outputs from an existingcircuit. These outputsshow the numbers 00 through 15. Build a circuit to convert the two7-segment displays,which display decimal, to one 7-...
- Q Design a common-emitter amplifier that has a dc input value of15v and that meets the following requirements1. a gain of at least 802. low frequency -3dB less than 100Hz
- Q Specify the aliasing frequency of a signal that has a maximumfrequency of 75 kHz and a sample frequency of 100 kHz. Use thefolding diagram.
- Q 5.3 Explain how the necessary calibration frequency isdetermined for a measuring instrument.
- Q Determine the response to the unit step if the Z transform of aresponse to the unit impulse of a causal system is:H (z) = ((z ^ 3) -1) / ((z...
- Q Derive the K value for the non-inverting amplifier (a) and theSummer (b) (use the naming conventions from sheet in the back ofthe text).
- Q build in multisim ,circuit using window comparator that works toturn on a green LED and red LED is off .when the dc input voltageis between 360mv-380mv and when the input...
- Q give a detailed matlab code to implement unscented KF onarbitrary first order nonlinear system
- Q The most commonly used gadget that you should know of is ading-dong doorbell using an electromagnet. In order to make a doorbell, please answer the following questions:List the items needed...
- Q 81. Given: Service drop conductors passing over a swimming poolhave a vertical clearance from the water surface of 18 ft. theseconductors must be located a minimum of _____ ft. horizontally...
- Q Specify the aliasing frequency of a signal that has a maximumfrequency of 92kHz and a sample frequency of 130kHz. Is this anoptimal sampling frequency? If so, explain why? If not,...
- Q Describe in details three practical applications formagnetostatic.
- 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 control systemDesign a system that will run on a PID process
- Q Explain why several semiconductor materials might be puttogether to obtain moreefficient solar cells.
- Q Define well with DiagramsHow Oscillator and Phase-shift Oscillator can be constructed, is itpossible to adjust the oscillator frequency? If yes! Then explainhow oscillator frequency can be adjusted.
- Q Question related to differential equationscourse....Use method of un determinate coefficients
- Q 5) Explain what is the following:1.- PWM modulation.2.- SPWM modulation with third harmonic.3.- Operation in over modulation and six-step.
- Q Implement the following function using a binary decoder and asfew NAND gates as possible.F= A’B’C’D’ + A’B’C D’ + A’BCD’ +AB’CD’ + ABC’D’ + ABCD’a) Draw the truth table for...
- Q Use a 5 nF capacitor to design a series RLC bandpass filter, asshown at the top of Fig. 14.27.The center frequency of the filteris 8 kHz, and the quality factor...
- Q Assume that the registers have the following values (all in hex)and that CS= 1000, DS = 2000,SS=3000, SI=4000, DI = 5000, BX=6080, BP= 7000, AX=25FF, CX=8791,and DX=1299. Calculatethe physical address...
- Q 14.3.4 - What signal is sent in period 9 if a slave on the I2Cbus has the same slave address as was sent by the master in periods1 to 7?Question...
- Q Explain the construction and working of FET and MOSFET?
- Q Design and test a 4-bit rotator that has two inputs: A androtamt, and two outputs Yleft and Yright using (System) Verilog.The rotation amount (number of bits to be rotated) is...
- Q Select the correct answer:1.One of the following is the origin of a magnetostaticfield:  a. 2 electric charges  b. direct current on a wire  c. constant electric field  d. disc loaded2....
- Q What is the difference between a receptacle and plug-in buildingelectrical systems?What is a busway and where is it used in building electricalsystems?How are electric motors rated?
- Q SOP for safety electrical repairing to avoidhazard.Explain 10 steps.
- Q   Draw and carefully and thoroughly label a blockdiagram of an “open loop†control system.Draw and carefully and thoroughly   label ablock diagram of a  “closed loop†control system.
- Q design a 2-bit comparator with 4 inputs(a0,a1,b1,b2) and threeouputs(a=b, a>b, aimportant: circuit must use 14 NAND gates or less.
- Q How does a capacitance affect Long Transmission lines? If thereceiving end of the long transmission is open circuited, is therea current flow at the sending end?
- Q 1. Calculate the Loss-of-Load Expectation for the generatingsystem with the following three units:i. 30 MW (FOR = 0.02)ii. 45 MW (FOR = 0.04)iii. 60 MW (FOR = 0.05)The load model...
- Q Explain how a bandpass filter works and indicate by a blockdiagram what procedure should be followed to verify its correctoperation.
- Q Explain the direct use of geothermal energy and a geothermalheat pump.Describe the types of biomass energy that can be used inbuildings.Describe photovoltaic (PV) power and where it can be used...
- Q How is a DC plasma created and how does an RF plasma differ? Whyis a plasma always positive with respect to the reactor vesselwalls? In which etching setup would you...
- Q 4. Explain and show formulaically that rotatingmagnetic field occurs when applying ia=Iscoswst and ib=Isinwst withphase A and phase B windings to 90° spatially on the stator of theinduction machine or...
- Q Table 1LoadRatingPower FactorLighting41.1kW0.7 LaggingLights12.2 kVa0.67 LaggingVentilation fans9 kVa0.7 laggingHeat pump18 kW0.707 Laggingmisc equipment11.3 kVa0.55 laggingpeak charging demand209 kWunityCalculate the following for the car park using the datafrom Table 1:a) the...
- Q Design a 4-bit multiplier by using 4 bit full adder and write averilog code.
- Q Design a clocked synchronous state machine with two inputs, A and B, and a single output Z that is 1 if(1) A had the “different†value at each of the...
- Q 3. (10 pts) Give 3 ACTUAL SITUATION examples each ofthe 4 types of health hazards.4. (10 pts) Give 3 ACTUAL SITUATION examples each forthe 3 types of Safety Inspection
- Q Discuss in details the key performance indicators (K PI s) of engineering design control. Discuss in details the key performance indicators (K PI s) of engineering design control.
- Q considering the characteristics of the CurrentTransformer, what is the effect of change of Ip, Is and theefficiency
- Q drive an expression for the cutoff wavelength λc ofthe waveguide for TMnm mode Â
- Q I need simulation on protues of speed control of unipolarstepper motor using uno arduino. Must using protues..
- Q Ex. 840. A proportional controller, Kp, is desired for the plant1/( (s) (s+ 8) (s+11) ). Design the unity feedback system so that thedominant poles indicate a closed loop step...
- Q Write about wireless transmission and explain how’s thetransmission is occurred, what are the current technologies isapplied to such systems and its conclusion
- Q Design and explain the difference register 4 bits PIPO(Parallelin/parallel out), PISO(Parallel in/serial out), SIPO(Serialin/parallel out), SISO(Serial in/serial out) in JK Flip-Flop
- Q Give a detailed physical explanation (answer why and how) theinductance (therefore reactance and impedance) of a largesynchronous generator is frequently assumed to have three distinctvalues (sub-transient, transient, and synchronous).
- Q In an experiment on a two-port network, the followingobservations are recorded:V1 = 25 mV and I2 =5 mA with port 1 open-circuited and V2 = 10 VI1 = 10 mA...
- Q What are the three categories of second order dynamicsof a system?
- Q I am working on an IOT BASED HOME AUTOMATION..is there a way to control it remotely(via internet) from anywherein the world...if yes..i need detailed way on how to do it.
- Q 2. A 662 keV gamma ray from 137Cs decay is Compton scattered atan angle θ.(a) What is the energy of the resulting gamma ray afterscattering at 90◦?(b) What is the...
- Q Rana Abdelal Ex. 350. Consider a unity feedback system where theforward TF is: G(s) = K (s+18)/(s(s+17)). Find the breakaway andentry points on the real axis (Enter the one closest...
- Q 2. About amplifiers:(i) Draw/Project a circuit using an operational amplifier with gain-100(ii) What is the cutoff frequency of the amplifier in question (i)if we used an operational amplifier 741?(iii) What...
- Q Why are NAND gates considered to be a universal logic gate? Howare NAND gates utilized?
- Q Voltage amplifiers are available with Avoc = 8 V / V,Rin = 1.8 kΩ, Ro = 850 Ω. With a 12V DC power source, eachamplifierconsumes 1.5 mA average current.a. How...
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