Electrical Engineering question and answers for July 28, 2023
- Q 5. What are two methods to generate single-side band AM signal.If the modulating signal (message) has DC omponent, which methodyou will choose? Why?could you please answer this in a complete...
- Q explain this Matlab code and finish its last line.%%clear all;clc;%%% Données de départNbrEchParPer=128*2;NbrPer=16; % Ensuite essayer avec 512T=1e-3;% calcul préliminairefs=NbrEchParPer/(T);NbrEch=NbrEchParPer*NbrPer;%Axes des temps et des élongationst=[0:NbrEch-1]./fs;x=repmat([ones(1,NbrEchParPer/2),zeros(1,NbrEchParPer/2)],1,NbrPer);%représentation des signaux temporelsfig1=figure(1);clf;subplot(4,1,[1 2],'Parent',fig1,'Color',[0 0...
- Q Question 1a) i. Discuss why the carrier waves are of higher frequencycompared to modulating signal and explain in six different ways ourinclusion of modulation in communication system.ii. By a suitable...
- Q Two parallel connected loads take a total of 2.4 kW, with a 0.8line delay at 120 Vrms and 60 Hz. One load absorbs 1.5 kW with a fpdelay of 0.707.Determine:a)...
- Q Assume that you are using a piezoelectric material to build amicro/MEMS actuator beam in order to pick up a red-blood cell (withmass of ~1picogram or 10-12grams). If the dimensions of...
- Q A 45-MVA, 13.8 kV synchronous machine is operating as asynchronouscondenser, as discussed in Appendix D (section D.4.1). It’sshort-circuit ratiois 1.68 and the field current at rated voltage, no load is...
- Q A 280-V, 3Ø AC power system, Y-connected three-phase generatorconnected through a three-phase transmission line to a Y-connectedload. The transmission line has an impedance of (0.02+j0.4)Ω/phase, and the load has an...
- Q Please Create the Verilog/Vivado Code For:An LFSR Pseudonumber generator, andthe testbench for test it,please comment and explain the answer as much aspossiblewaveform simulation answer would be nicetoo!
- Q stion 3:A half-wave rectifier with a capacitor filter has Vm = 200 V, R = 1kw, C = 1000 pF, andw = 377(a) Determine the ratio of the RC time...
- Q Why is the starting current high in a DC motor? Explain theworking of a four-point starter for a DC machine.
- Q Design and model a battery charger with filter, diodebridge, and transformer. The battery to recharge is 12 VDC (auto).Suppose the source is a 120 VAC @ 60HZ residential circuit. Theoutput...
- Q (b) P-type doping in deep ultraviolet AlGaN based LEDs sufferfrom low hole mobility.(i) Sketch a design ofa tunnel junction for a DUV LED operating at 280 nm.Explain how the tunnel...
- Q Draw a sample metal detector scenario and explain the targetdetection principle through the electromagnetic interactionequation. Give an example of an application where the metaldetector performs well and badly. Which auxiliary...
- Q SYSTEM VERILOG:Using your preferred HDL program, design a complete 4-bit CarryLook Ahead (CLA) addermodule.
- Q 480 V, 200 kVA, 08 PF lagging, 60 Hz two pole Y connectedsynchronous generator has a synchronous reactance of 0.25 Ω and anarmature resistance of 0.03 Ω. At 60 Hz,...
- Q Derive the expressions of the average load voltage and currentin single-phase full-wave controlled rectifier (bridge rectifier)and resistive load. Draw the waveforms of supply voltage, outputvoltage, output current and thyristor current....
- Q Elaborate with your own words the importance of Laplacetransform in electric circuit analysis. Explain also theapplications of Laplace transform in communication systems.
- Q if the received power at a reference distance do=1km,is equal to 1 microwatt, Find the received power at distances 21km,5km,10km and 20km from the same transmitters.I) free spaceii) n=4iii) two...
- Q Physics principles behind the use of induction typeinstruments
- Q Q \Â Â What are transmission lines and what are theeffects and causes of transmission lines, then mention thedifference between the spread of electromagnetic waves intransmission lines and spread in free space?
- Q State four (4) possible causes each of the followingtroubles in dc motor and suggest twosolutions to avert them:(i) sparking at brushes, and (ii) overheating.
- Q a Matlab code for Kalman Filter to combine GPS and Odometer
- Q How do I solve short-term load forecasting using Multiple LinearRegression? Can anyone provide me a step by step solution with asample data?
- Q Construct a 4x4 multiplier circuit.
- Q How does a Parallel RLC (AC) circuit work? Provide an example ofa practical application in the electronics field.
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