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Questions and Answers Archive
Electrical Engineering
May 2020
Electrical Engineering questions and answers in May 2020
Hello, can you help me with this question please, I will appreciate a detail explantion. Thank you! (TCO 4) Examine each decoder circuit and determine the decoder that contains a fault. Decoder A Deco...
Help me pls i don't know to do that Task D.1.1: Given the RC circuit in Fig. 10. Find the mathematical expression for the transient behavior of the voltage vo following the closing of the switch at ti...
Please show all steps, also dont assume numbers, IO can be in the form of variables AssignmentipdrAdobeAcmbat Reader Dc _ >< File Edit View Window Help Home Tools Assignmentfpdf K ® .! Sign In ...
Hi, I wanted to see how we would find the voltage transfer function for the output of the second op-amp. Please include the formulas used, thanks.
Plot an electric system from production to end user with all components. Explain this system. This is a question from the course 'Electric Machines' .
What are the main components of a linear fluorescent running costs? This is a question from the course 'Illumination Techniques' . Thank you so much :3
Please help me with the assignment, I couldn't understand a thing. Thanks a lot
Please help me solve the question. Thank you. Subject : Electric Circuit (DC Transients) Referring to Figure 2, a 200mF inductor and a 200 resistor are connected to a 15V supply. (a) When switch is pl...
Please help me solve the question. Thank you. Subject : Electric Circuit Referring to Figure 1, calculate /1, Iz and Is using (a) Mesh. (b) Nodal. 8 V 6 92 11 4 A 1 A 13 40 12 Q 12 20 10 V Figure 1
Please help. Resources to consult : Digital Electronics: Principles and Applications, 8 th Edition , Chapter 8 Instructions: 1. Construct a 2 digit counter that counts from 00 to 60 2. You...
The DC Load Line is the line connecting the saturation and cutoff points. Find I SAT . Assume V CE is 0.2 Volts in Saturation. Use this, V CC , and the RC of 820 Ω to find I SA What is the Cutoff...
1. Find V B (assume a stiff bias circuit), Ve, Ie, V RC, Vce, Vc 2. Using the above V CE and I C , calculate the power dissipated by the transistor at DC (when it is not amplifying anything, and i...
Sketch the transfer characteristics of a p-channel enhancement-type MOSFET if V GS(Th) = -3V and I D(on) =12mA and V GS(on) = -7V
briefly describe the difference between the basic operation of a pchannel depletion-type MOSFET and p-channel Enhancement-type MOSFET.
4. Describe with proper diagram and characteristics curve : why the application of a negative gate to source voltage results a drain current exceeding IDSS for a p-channel Depletion-type MOSFET.
On ***Matlab***, please solve the following problem Note: the problem from the book "Signals and Systems (2nd Edition) by Alan V. Oppenheim" Consider the feedback syetem of Figure P145. Assume tha...
1) Determine which modes can propagate in a polyethylene filled rectangular waveguide (εr = 2.25, μr = 1, a = 1.5 cm, b = 0.6 cm) if the operating frequency is 17 GHz. 2) You are required to design ...
1) The two-port network shown in the figure below is constructed using lossless transmission lines. a) Calculate the reflection coefficient at port 1 when port 2 is open-circuited. b) Calculate the re...
Please help this is my quesitons. (TCO 4) A simulation diagram is shown below. Determine the difference equation that corresponds to the diagram. X(n) Y(n) Z-1 Z-1 0.8 Z-1 Z-1 Z-1 Z-1 0.25 0.6 O y(n) ...
1) A lossless transmission line has a length of 0.3λ and 50 Ω characteristic impedance. This transmission line is terminated with a complex load ZL with 30+j40 Ω. a) Calculate the voltage reflectio...
1) A lossless transmission line has a length of 0.3λ and 50 Ω characteristic impedance. This transmission line is terminated with a complex load ZL with 30+j40 Ω. a) Calculate the voltage reflectio...
I need a circuit of 20amp MPPT with 1kW sinewave inverter. solve this question using any technique please
Find V0(t) output voltage with using Laplace Transform.
show all work please 2. A rectangular pulse train x(t) with peak-to-peak amplitude 4V, period To = 1ms, duty cycle d = 1/2 has dc offset of OV. The amplitude of the pulse train is +2V or -2V. N 0 -1 -...
On ***Matlab***, please solve the following problem Note: the problem from the book "Signals and Systems (2nd Edition) by Alan V. Oppenheim" I solved the problem on paper, i want the matlab code, here...
I need answer to this please?? A certain gas has a molecular weight M = 100 gave a constant density p = 0. 002 gm/cm* the following test result: 0 50 100 150 200 E, - 1 4.68 4.42 4.25 4.11 4.005 x 10 ...
What is solid angle and how can we calculate this angle? can you explain with detail and figure and please dont write with hand just computer written
a) First, you will use Ohm's law to find the resistance (by measuring the "voltage across" and "current passing through" the resistor and taking the ratio). However, you SHOULD NO...
Voltage Using DMM Using Handheld Multimeter "W" —— Table 3 c] Also, try to figure out how to use the handheld multimeter to measure this voltage. Next measure the voltage, V1 [across R1}. Fil...
a) At first, draw a neat equivalent circuit diagram showing all six resistors and two capacitors. b) Then examine the circuit and try to find out which of these components are redundant or insignific...
1.1(a) When you see a circuit diagram, remember that a node is simply a point in a circuit. Two or more points connected by a wire is considered as a single node. Examine the circuit diagrams in Figu...
Examine the breadboard shown in Figure 5 and state how many distinct nodes there are. How many:r of these nodes are power rails? 1.1m] Jan-lull. JI:II_I I r I ii .- I Page 4 Figure 6 Figure 5 BMEN 31...
a) Using the mo resistors vou just measured, build the following circuit (Figure 10] on NI ELVIS ll's breadboard. Use the +5V power supply. To +5V To DMMW) To Ground To DMM(COM) Figure 10 b] To measu...
1.1(c) Now examine the breadboard with wires and resistors shown in Figure 6 and state how mani,'r distinct nodes and power rails there are. 1.1(d) Examine the breadboard in mm ELVIS board and stat...
2.1 Measuring resistance a) Pick resistors that have nominal values (NV) of 1 kQ and 2.2 kQ. b) Use the NI ELVIS II's Digital Multimeter (DMM) to measure their actual resistances (MV) and fill in Tab...
Please help ASAP For the following circuit: R C1 C3 LI RL. Vout C2 R RL LI C1 C2 C3 40 50 2.703 1.127 12.494 3.013 measurement units: R - 0, L - uF and C - nF Mandatory Tasks CW-1. The time domain ana...
A y-polarized uniform plane wave with a frequency of 100MHz. paropagates in vacuum and impinges normally on a perfectly conducting plane at x = 0. Assuming the amplitude of the incident electric field...
How to implement this in MATLAB? The purpose of this exercise is to perform step-frequency FMCW radar imaging using FFT for range estimation. The data set was taken over a section of the walkway pavem...
How would I find Rin , Given V = 14.93 V and E = 15 V ?
a) Find the expression for V b / V a b) Find the expression for V a / V i n as a function of frequency. All factors should be in the form 1 + 2πf/fc. c) Find the expression for ...
Please solve the following question. 5. For the JFET voltage divider DC bias network of the following figure, compute [20] () ID (A) and Ves (V) (Operating point) (1) VD (V ) (ili) Vs ( V ) (iv) VDs (...
control systems Problem 2 Consider a servo system represented by the block diagram shown below. a) Calculate the steady state error for an input r0!) = 1+5: 1}) Determine the range of T so that the ma...
Please solve the following question. 6. For the self-bias DC network of n-type depletion mode MOSFET of the following Figure, compute [15] (4) In (A) and Ves (V) (Operating point) (1) VDs (V) (1) VD (...
Please solve the following question. 7. For the depletion mode n channel FET of the following network, determine [15] (i) Z. in kg (ii) Z.J in kg (iii) Av. Consider rd : 50 k9 Also consider all capaci...
question 8 https://drive.google.com/file/d/1OnmJCt2FOR6RwJ3cUH2LcHyxLXff1OTf/view?usp=sharing
We may design a dc power supply by cascading a full-wave rectifier and an RC circuit. The full wave rectifier output 𝑥(𝑡) = |cos(100𝜋𝑡)| is the input to the RC circuit whose frequency resp...
The frequency response H(jw) of a continuous-time system is shown below. Determine the output signal y(t) for the following input signals x(t): a) x(t) = cos ( 2.pi. t + pi / 3 ) b) x(t) = cos(4.p...
The input signal described by its Fourier transform 𝑋(𝑗𝜔) is shown below. FigureX(jw)= https://hizliresim.com/rBnhl5 a) If 𝑧(𝑡) = cos(5𝜋𝑡).𝑥(𝑡), 𝑐(𝑡) = 𝑧(𝑡) ∗ ...
Please, try to solve the question by using K-map for low cost and please, show the solutions with explanations step by step. Thank you. A. 3-to-8 Thermometric Decoder Design a 3-to-8 thermometric deco...
How would I find the Rth and ETh , with respect to R4 ? E = 15 V, R1 = 3k , R2= 0.510k , R3=5.1K , R4 = 6.8k , R5= 5.1k
a) 𝑥(𝑡) = [𝑒 −𝑡 + 𝑒 −3𝑡 ]𝑢(𝑡) gives response 𝑦(𝑡) = [2𝑒 −𝑡 − 2𝑒 −4𝑡 ]𝑢(𝑡). Find the frequency response 𝐻(𝑗𝜔) and the impulse response...
A certain servomechanism system has dynamics dominated by a pair of complex poles and no finite zeros. The time domain specifications on rise time (tr), overshoot (Mp), and settling time (ts) are give...
The cells in the panels that make up the modules in the solar farm of Part 1 have been characterized as having the following PV parameters (tested under AM1.5 conditions): JSC=40mA/cm2, FF=75%, VOC=0....
8. For the NMOS below, 𝑘 = 0.1(6+1) 𝐴/𝑉2 and 𝑉𝑡 = 3𝑉. ?...
Q3. (a) Using step by step algorithm find the bus impedance matrix for the network shown in Figure 4. Figure - 4 (b)There is a line outage and the line from bus l to 2 is removed. Using the m...
To investigate the electromagnetic coupling of cellular telephone antennas and a human head, a phantom head - plastic container filled with a solution that approximately resembles the dielectric and c...
Consider the fluid system shown above Q d (t)is manipulated input,Q 0 (t) is disturbance of the system.Aim of this system is to control water level h 2 of the second tank. Note C 1 ,C 2 and R are defi...
Determine the GMR of each of the unconventional stranded conductors shown in the given figure. All strands have the same radius r
Why per-unit method is important in analyzing power systems? In the given picture, would there be any difference in calculation of the transformers, if you choose primary or secondary side? Explain in...
Question A surface extending along the xy plane of infinite length produces the magnetic field specified below. Above the surface B = HOR 2 MOK 2 Under the surface Find the magnetic vector potential e...
PLEASE DEFINE THE FOLLOWING CIRCUIT. FOR THE 3 CLOCK PULSES, DRAW THE TIMING DIAGRAMS(WITHOUT S1 AND S2 INHIBIT STATUS) AT THE SHIFT LEFT AND SHIFT RIGHT MODES OF THE DIGITAL CIRCUIT INCLUDES ALL THE...
An interconnect has the geometry with T ox = 0.90 um, w = 0.35 um, t = 1.2 um. . ?...
The magnetic field formed by the current in a wire with radius R and along the z axis is given by B=ß s² θ. ( ß is a constant.) a) Calculate the current density producing this area. b) The magneti...
EE313 Homework Operational Amplifier Design Design the following op-amp circuit for the criteria given below. The transistor parameters are k n ' = 200 µA/V 2 , k p ' = 80 µA/V 2 , V TN = 0.4 V, V T...
The electric field caused by the static charge distribution in cylindrical coordinates is expressed as follows *TEM Here , a are fixed. a) Show that this is a valid electric field and find the charge ...
The hollow Rradius shown in the figure is infinite length along the cylindrical tube axis. Positive loads are evenly distributed over the surface of the tube and the surface charge density is o. The...
1. Given that, 𝑣(𝑡) = 100 cos (377𝑡 − 30°) V 𝑖(𝑡) = 2.5 cos (377𝑡 − 60°) A Find: a. Apparent Power [2] b. Real, Reactive and Average Power. c. ?...
Can yolve this question? 250 coiled wires are wound tightly on a toroidal pulley with a rectangular cross section and shown in dimensions. The toroid core is made of iron and It is placed in the xy pl...
The buck converter has a load resistance R = 0.25ohm, input voltage Vdc = 550 V and battery E = 0 V, The average load current I = 200 A and chopping frequency f 250HZ, The inductance (in mH) L, Which ...
On ***Matlab***, please solve the following problem Note: the problem from the book "Signals and Systems (2nd Edition) by Alan V. Oppenheim" (c) Find the response to the inputs with the following Four...
Find the solution please R1=14 kOhm; C1=26 nano-Farad; ( nano == 10-9) R2=33 kOhm; C2=0.1 nano-Farad ; R3=26 kOhm; C3=1 nano-Farad find the following; 1) 1) The Oscillation frequency fo. 2) The value ...
Can you explan with detail and figure please dont text me web sites Plot an electric system from production to end user with all components. Explain this system.
Determine the values R 1 , R 2 and R 3 by meeting the above mentioned criteria in the attached figure above. | The following circuit must be designed to meet following criterias. AL ( aj V. / Vg = 0. ...
Show with figures of formation of pFET and nFET by Ion Implantation in CMOS process flow that includes first metal interconnect layer.
Below is the control system blockdiagram used for DC motor position control . The reference angular position input given to the motor is represented by θr (s), and the output by θ (s). It is given w...
Apply the Aristotle's idea of Golden Mean in understanding the virtue of engineers "Engineering Competence". Provide an illustration of excess (too much) and defect (too little) by giving some real-li...
"Act-utilitarianism apparently permits some actions that we know on the other grounds are immoral." Explain this statement by giving valid example.
On Matlab, it is required to solve this problem Consider the feedback syetem of Figure P145. Assume that ﬁn] = D for not]. a [n] Figure PI .45- {3} Sketch the output when 1-:[n] = ﬁ[n]_ {o} Sk...
The following system is unstable according to the Routh Hurwitz criterion. Add Proportional (P), Integral (I), Derivative (D) and PID to the system At what gain values is the system stable? Which con...
For the following two practice: 1. Write the necessary comments. 2. Write the programs in Assembler. 3. Debug the programs (use r to view registers, t to trace, d to view memory when necessary). 4. Pr...
Can you please explain me a and b? Couldn't solve it 4. The frequency response H (jw) of a continuous-time system is shown below. Determine the output signal y(t) for the following input signals x(t):...
Consider a servo system represented by the block diagram shown below. Calculate the steady state error for an input r(t)=1+5t.
The following system is unstable according to the Routh Hurwitz criterion. Add Proportional (P), Integral (I), Derivative (D) and PID to the system At what gain values is the system stable? Which con...
The loop carrying two currents extends in the xy plane. The square length of the loop is L and the current it carries is I1 and it flows clockwise. The circular loop has a diameter of L, the current i...
In Figure 3, a filter with a cascade-dependent differential amplifier is given. strainer midband gain and noise coefficient are given as −3 dB and 3 dB respectively. According to this, a) If the amp...
1. A three phase source and a load is connected in a star (Y) combination. Given that, Eline = 13.8 kV, Iline = 5.31 A and per phase load resistance, Z = 1.5 kΩ. Find: a. ...
𝑣(𝑡) = 100 cos (377𝑡 − 30°) V 𝑖(𝑡) = 2.5 cos (377𝑡 − 60°) A Find: a. Apparent Power b. Real, Reactive and Average Power. c. Power Factor (leading or lagg...
digital electronic For the digital counter shown in the figure with outputs Qo ,Q,,Q2 which are initially cleared, the value Q, Q, Q, after three clock pulses is , when the switch Sw is closed. Va W R...
thank you so much 15.: Each value indicated In the figure shown is in theory. l 2H and 4 H} a.) Determine the equivalent Inductance behrreen a and y. h.i Determine the equivalent capacitance heme-n x ...
For the circuit given below Β 1 =200, β 2 =25, V BE1 =V BE2 =0.7 V a) Calculate the value of R 1 when V EQ2 =5 V b) Calculate A vo
For the circuit given below a) Determine r e b) Determine Z i and Z o c) Calculate A v and A i (β=200 and r o =20 Ω)
Refer to the figure. Assuming typical Class B push-pull power amplifier is being used and input voltage sinusoidal voltage given below. a) Sketch the circuit of Class B Push-Pull. b) Sketch output vol...
For the input signal having fundamental amplitude 4 V, second harmonic amplitude 1 V, third harmonic amplitude 0.1 V and fourth harmonic amplitude 0.002 V. Calculate: a) Harmonic Distortion components...
Calculate the mass ( in metric tons ) of a blade made of Aluminum, M_{blade}^{Al} Mblade Al , setting the stress limit equal to fatigue limit of the material, \sigma_0^{Al} = 150 MPa σ0 Al ...
Solve Question no 3 3. Take an Industrial application and draw the relevant Pneumatic Circuit diagram and also the electro~pneumatic circuit diagram. Compare both the solutions. [20 marks] 4. Identify...
I need step by step solution of this question Consider the system G (s) = ; 2 (s+ 2)2 A control engineer decides to use the controller D (s) = (s+0.5) (s+1) in a unity feedback configuration with this...
I need full step by step answer of this question. Also draw the allowable region. A certain servomechanism system has dynamics dominated by a pair of complex poles and no finite zeros. The time domain...
To investigate the electromagnetic coupling of cellular telephone antennas and a human head, a phantom head - plastic container filled with a solution that approximately resembles the dielectric and c...
Kindly derive please. Q8) For the beam-type load cell, Derive an expression to measure the load (P) using the attached strain gage on R4 connected using Wheatstone bridge as shown. Assume the followin...
I need clarification to solution please. Thank you.
A 200 MVA, 11 kV, 50 Hz round-rotor generator is supplying 180 MW of real power power at power factor 0.9 (lagging) to a very large system (infinite bus) through a 250 MVA, 11/154 kV transformer with ...
Make the power budget and calculate the maximum transmission distance for a 1.3-μm lightwave system operating at 100 Mb/s and using an LED for launching 0.1 mW of average power into the fiber. Assume...
can you solution this problem?thank you. P8.55 c) Let In = nw/wa, and show that . vc(t,) posi- =V - V(-1)"e anw/wa posi- een in d) Show that nstan- a = In vc(1 1 ) - V Ta vc(13) - V' where Ta = 1...
A 1.3-μm long-haul lightwave system is designed to operate at 1.5 Gb/s. It is capable of coupling 1 mW of average power into the fiber. The 0.5-dB/km fiber-cable loss includes splice losses. The conn...
1. Explain with proper figures (in detail): In the Faraday's electromagnetic equation (also known as Maxwell's 3 rd equation), why the sign of the time derivative is negative but the curl part ...
Questions are down below In cortesion system 8 Vix,y ) = A B Vx 2 + 12 - 1 kv; x [ cm] , y [cm] 10 for X= 0, yes cm (V = 10 0kv for *= 2 , 4= 0 cm V = 0 11 12 a ) Determine A and B constants. b) For V...
a. Find the mathematical expressions for the transient behavior of the voltage vC and the current iC if the capacitor was initially uncharged and the switch is thrown into position 1 at t = 0 s. b. ...
2 questions are given 1. (a) Using superposition theorem, find the current through R3 for the network below. Draw the circuits for each source (2 circuits), write all the formulas properly and also pr...
Do I have to break this circuit first like if we see node B then can I resolve the circuit using series and parallel resistances formula and make it one resistor that passes through B and C? Also is t...
Solve the problem by showing every part properly. Use K 1 =32 & K 2 =66 Problem 4. The following circuit is constructed using a 555 Timer IC, two additional resistors, and two additional capacitor...
Solve the problem by showing every part properly. Use K 1 =32 & K 2 =66 Problem 3. Recognize the following oscillator circuit. What type of oscillator circuit is it? [1] What is the shape of the o...
Solve the problem by showing every part properly. Use K 1 =32 & K 2 =66 Problem 2. Recognize the following filter circuit. [30] Ry' = 9 kQ Ry = 9 kQ R,' = 1 kQ R1 = 1 kQ ww ACL2 ACL1 Vo Op-amp Op-...
Calculate v0 (t) for the circuit in Figure 1. Assume that v0 (0) =5 V. Assume that the value of X is the last number from YOUR matric number. Example, your matric number is 191022706. Hence, X = 6). ?...
A main memory unit with a capacity of 4 megabytes is built using IM x 1-bit DRAM chips. Each DRAM chip has 1K rows of cells with 1K cells in each row. The time taken for a single refresh operation i...
Wil you please help me understand this problem in detail?
Will you please help me understand and solve this problem in detail? It's power stuff.
What I done is calculate the average ratational delay 3ms and add it to the seek time 7ms thus I got the average disk access time is 10ms, but my friend got 4ms, not sure which one is correct, could u...
Give the correct answer with detailed explanation and show your work... 14. Find the sets A and B if A-B ={ 1,5,7,8), B-A = {2,10}, and AnB ={ 3,6,9). (1.5 point each) A= B= 15. Prove or disprove that...
I am not sure about module 2 and module 3, my friends answer Cseg 2 is 70, but I found the starting address of module 2 should be the sum of the starting address of code seg3 and the size of code seg3...
Consider output of 5-level MLI as shown in Fig, perform its frequency analysis for at least first 40 harmonics. You may use MATLAB to give the plot of first 40 harmonics. Also, highlight the harmonics...
Question : Show with figures of formation of pFET and nFET by Ion Implantation in CMOS process flow that includes first metal interconnect layer.
Explain the right answer by solving please Which of the following equations is not a correct definition of equivalence? O a. (1 = 0) = 0. O b. (0 = 1) = 0. O c. (0 = 0) = 0. O d. (1 = 1) = 1.
Question : 1.Design a CMOS Circuit for active high 2/4 decode. 2. Design a CMOS Circuit for 4 bit priority encoder.
Use superposition to compute current in branch AC of the network ABCD in figure 4
How can i make universal charger for these batteries I need a universal battery charger that can support the following batteries: 1. Lithium ion batteries. 2. NiMH Batteries. 3. NiCd Batteries. 4. Ene...
In an 8085 Microprocessor based system, the number of T-states required to execute the instruction XTHL is T1, and the number of T-states required to execute the instruction SPHL is T2, then the value...
This is related to LCA in which we have to find AC current but I dont understand what i do to other terminal of AC sources.
How many ICs and gates would have been necessary to implement the original logic equation (equation in Lab 2 Part 1 Question 1 that has 10 terms) using 4-input AND, 4-input OR gates and inverters? Ass...
Three motors are connected to a single branch circuit. The motors are connected to a 480 volt three-phase line. Motor #1 is a 50 horsepower induction motor with a NEMA code B. Motor #2 is 40 horsepowe...
A 100 horsepower three-phase squirrel cage induction motor is connected to a 240 volt line. The motor does not contain a NEMA design code. A dual-element time delay fuse is to be used as the short-cir...
ccccccccccccccccccccccccccccccccccccccccccccccc h} IEonsider the potential aeryomechanism. shown into next Figure. Assume that the luput to the system is the reference shaft position. rtt]. and the sy...
What is the resistance in ohms of 328.8 feet of AWG 16 wire at 20˚C?
Let E = 120V and R1 = 60Ω. What is the current in amps through the voltage source if R2 is 42 ohms.
How much charge (in Coulombs) is being moved when 50J is required to move the charge across a potential difference of 3V?
How much time in microseconds does it take for 4μC to flow through a circuit, if the current is 15 mA?
Let R1 = 52 Ω, R2 = 60 Ω and R3 = 120 Ω. What is the voltage E in volts, if the current out of the voltage source is 2 amps?
Let E = 3.3V and let R1 = 2kΩ. Determine the value of R2, in ohms, such that the current I is equal to 1.5mA.
How much energy in microJoules is required to separate 7μC of charge with a potential of 55V?
Two charges, each of 17mC, have an attractive force of 14N between them. Determine the distance, in meters, between the charges.
A copper wire has a resistance of 273 mΩ at 20°C. At what temperature will the resistance of the wire increase by a factor of two (resistance will be 2*273 mΩ)?
What is the resistance in ohms of 328.8 feet of AWG 16 wire at 20˚C?
Metallic impurities introduce deep levels into the band gap of semiconductors. We will consider the case of gold in silicon. Gold introduces two levels into the Si band gap, a donor level at E Au + = ...
Give detailed information (with explanation and figures) about; 1- Atatürk Dam: Price, lifetime, electric system, generators, transformers, protection systems, HV line system, turbines (type...
Calculate and plot E-E c versus g c ( E ) f ( E ) for 0 £ E-E c £ 0.2 eV (it should have the shape below). Then integrate this curve to determine the electron density n . Use m n * = m o , E c = 1.1...
The conductivity of a semiconductor is given by s = q ( m n n+m p p ), where n and p are the equilibrium electron and hole densities. Derive an expression for the minimum conductivity s min in terms o...
Minority carriers are injected at the surface ( x = 0) and only at the surface of a semiconductor and decay into the sample according to ∆ n n ( x ) = ∆ p n ( x ) = ∆ n n (0) exp(- x / L n ), wh...
Metallic impurities introduce deep levels into the band gap of semiconductors. We will consider the case of gold in silicon. Gold introduces two levels into the Si band gap, a donor level at E Au + = ...
what is the Speed control techniques of squirrel cage induction motors can you explain with figure dont write handwritten write computer writing
Plot an electric system from production to end user with all components. Explain this system
1. Write the types of registers in a microprocessor (8086) explaining the functions shortly for each one. 2. Draw the figure for memory segments with 8086 microprocessor software model. Explain the lo...
For the system whose block diagram is given below: a) Find the impulse response h [n]. b) Find the frequency response of the system. c) By examining the system in terms of causality and stability, und...
Inputs A, B, C, and D can be 0 or + 5V. VBE = 0.7V and β = 50. 1) What is the voltage E if all inputs are 0V? 2) If A and C +5 Volur, what is the E voltage? 3)Point E Express as A, B, C, D logic func...
(a) C1, (b) C2, (c) C3 and (d) C4 open circuit, then (e) If the Q2 emitter is connected to the ground, what effects does it have on the output signal? (f) If 220 ohm is used instead of R7, what effect...
What are the modifications you suggest in order to increase the speed of TTL gate circuit ?
Three months before graduation, electrical engineering student Laura Anderson accepts an offer of employment from one firm and subsequently is invited in by another firm for an interview. The travel d...
Engineer A is a consulting engineer who does work in the United States and abroad. Engineer A is contacted by the government of Country A and asked to submit a proposal on a major water project being ...
Can you Sketching Root Locus with all its operations?
Make the rise-time budget for a 0.85-μm, 10-km fiber link designed to operate at 50 Mb/s. The LED transmitter and the Si p-i-n receiver have rise times of 10 and 15 ns, respectively. The graded-index...
The signal shown in Figure 3 (b) is applied to the circuit shown in Figure 3 (a) as the input voltage Vi(t). Find the output voltage value V0 (t) in the circuit in Figure 3 (a) using Laplace transform...
Find this square waves fourier series and turn to the complex fourier series Find this square waves fourier series and turn to the complex fourier series f(t) -TT TC
Draw the DC equivalent circuit and find r e , V B, V C, V E, V CE , V BC Draw the AC equivalent circuit and find Z i, Z o, A v, A i (Ignore the effect of r o ) [Show all the necessary derivations and ...
For the network below determine I DQ , V GSQ , V DS , V DG , V S , V D . Use both mathematical and graphical approach and compare results. For the network below determine Ino, VGso: VDs, VDG. Vs, VD. ...
For the network below determine I DQ , V GSQ, V DS , V DG , V S , V D . Use both mathematical and graphical approach and compare results. For the network below determine IDo. VGso: VDs: VDG: Vs, VD. ...
An aerospace engineer is volunteering as a mentor for a high school team competing in a national contest to build a robot that straightens boxes. The plan was to help the students on weekends for at m...
a) 𝑓(𝑡)=𝑡𝑒−4𝑡𝑈(𝑡)𝑆𝑖𝑛6𝜋𝑡 find that functions fourier transform b) 𝐹(𝑤)= 𝑒−𝑖3𝑤(𝑖(𝑤−1)+2(𝑖(𝑤−1)+1)(𝑖(𝑤−1)+3)) find that fu...
Please answer the questions clearly and serial wise so that it gets easy to understand. Here, k 1 =16 and k 2 =57
Consider the system with PI control shown in Figure 2. Here W is the disturbance and R is the reference input. a) Determine the transfer function from R to Y. b) Determine the transfer f...
(a) Use Routh stability criteria to determine the stability of the closed loop system. Is the system stable ? (b) What is the steady state error ess to a step input ?
A certain servomechanism system has dynamics dominated by a pair of complex poles and no finite zeros. The time domain specifications on rise time (tr), overshoot (Mp), and settling time (ts) are give...
Draw Pole-Zero maps for the following systems. Also, are the systems stable or unstable? Why?
(a) Use the Initial Value Theorem to find y(t) at t=0 for a step input. (b) Use the Final Value Theorem to find y(t) at t=∞ for a step input. (c) For a step input, what is y(t) ?
(a) If u(t) is an impulse, what is y(t) ? (b) What is y(t=0) and y(t=1) ? Sketch the impulse response of the system and indicate the values of y(t) at t=0 and t=1. (c) If u(t) is a step input, can ...
Find initial and final values for i0(t) with using laplace transform 1=0 10 1= 0 10 10 V + 1F io(t) 20 4 A 1 H Find initial and final values for 10(t) with using laplace transform
Please answer the questions clearly and serial wise so that it gets easy to understand. Here, k 1 =16 and k 2 =57
circuit 1-) In the circuit of Figure 1, the movement of the switch takes place at $ = 0. Find the voltage value v0 (c) for t>0 using the Laplace transform? 30 1=0 12 V + 6V Figure-1 2-) In the circ...
Can i have have some help with this question or a similar one please. What should I do to find the impulse response of a question like this.
Can i have some help with this question please, or a question similar to it.
In Ac regulator, compare between the (a) resistive and electronic voltage control, (b) On-Off and Phase control (c) Use the anti parallel Thyristor And TRIAC. Write the needs of cycloconverter with ex...
electromagnetic field questions 1-] In the figure, when the conductor placed between the magnet is turned from the outside, draw the approximate time-dependent variation of the current passing through...
xxxxxxxxxx 1. Assume for t < 0, the circuit is in steady state. At t = 0, the switch is closed. Find V. from t=0 to t=00. 4 kQ 1= 0 8 V 12 kQ 10 UF 3 mA 2. Assume for t < 0, the circuit is in st...
Please answer the questions clearly and serial wise so that it gets easy to understand. Here, k 1 =16 and k 2 =57
Why per-unit method is important in analyzing power systems? In the given picture, would there be any difference in calculation of the transformers, if you choose primary or secondary side? Explain in...
Determine the GMR of each of the unconventional stranded conductors shown in the given figure. All strands have the same radius r .
For the system whose block diagram is given below: a) Find the impulse response h [n]. b) Find the frequency response of the system. c) By examining the system in terms of causality and stability, und...
A three-phase 60-hz transmission line has its conductors arranged in a triangular formation so that two of the distances between conductors are 25 ft and the third is 42 ft. The conductors are ACSR Pa...
A 200-km, 230-KV, 60 Hz three-phase line has a positive-sequence series impedance z = 0.08+j0.48 Ω/km and a positive-sequence shunt admittance y = j3.33 X 10 -6 S/km. At full load, the line delivers...
. a. Find the mathematical expressions for the transient behavior of the voltage vC and the current iC if the capacitor was initially uncharged and the switch is thrown into position 1 at t = 0 s. b. ...
Why modeling of transmission lines is important? Explain the basic differences between short, medium, and long transmission lines. Also, derive the equations of series impedance and shunt admittance o...
what is the advantages and disadvantages of a. AC-DC Converter: Rectifiers b. DC-AC Converter: Inverters c. DC-DC Converter: Choppers d. AC-AC Converter: Cy...
Please explain it to me with details. Thanks a lot To investigate the magnetic induction voltage on a coil placed inside a long cylindrical solenoid as a function of frequency and magnitude of the mag...
Q1.explain by step by step procedure of assessing the stability of a system Q2.list events and disturbances. (Both the questions are related to transient stability of a system.)
answer this qui Question 1 [65 points] The BJT in the circuit below has B = 100, Vcc = 15 V, R1 = 120 k$2, R2 = 330 kQ2, Rc= 15 kQ, RE = 4 kQ2, R3 = 12 kQ2, RL = 30 kQ and Rsig = 1 kQ. Neglect the eff...
Capacitive microphones (also known as condenser microphones) measure the current generated by changes in capacitance, which are caused by sound hitting a diaphragm. This current is typically small, on...
Explain Voltage to time converter and it's circuit ?
A water tank A receives inputs from two wells (Well 1, Well 2). Each well has a level sensor that generates a signal n1=1 (or n2=1) when the water level is above a threshold, and a tab allowing the wa...
"Descripe the connection and operation of a "medium speed TTL". What are the modifications you suggest in order to increase the speed of a TTL gate circuit? Explain the effect of the added elements o...
Solve (3.4).4 and (3.4).6 Please solved it by typing I.e. typed answers will be appreciated. MPLE 3-1 A Small Circular Loop Antenna A circular loop antenna has a single turn of 4-mm diameter copper wi...
Which of the following statements are true? Check all that apply. DRAM basic cell has fewer transistors than the SRAM one and therefore, DRAM memories may have a larger storage capacity than the SRAM ...
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