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Electrical-Engineering Questions
Electrical-Engineering Questions
Find the DTFT of x[n] = (0.5)n cos(3n)u[n] and plot the |X(Ω)| for -π < Ω...
Assume that the 4-bit bidirectional shift register initially contains 0011, and the input data is High,....
In MATLAB graph: Voltage = 5V Resistance = 10 ohms Current = 5A The graphs must...
What is the difference between an SR - Flip Flop and a T - Flip Flop?...
Use Hata model, assuming that carrier frequency is 900 MHz, mobile antenna height is 1.5 m,...
Why single-cycle implementation is not used? Even if the CPI is 1 why is the performance...
Design a 7.5-V zener regulator circuit using a 7.5-V zener specified at 10 mA. The zener...
write an conclusion, of the breakdown voltage and resistive component of Zener diodes and loading.
A 75-kVA, 4900-250-V,50-Hz, single-phase transformer has the following parameters expressed in ohms: RLS = 0.005 ...
Q2: Implement F(A,B,C)=(A+B+C)(A’+C’)(B’+C’) using: (5 pts each) A. A 3x8 active high decoder B. A 3x8...
Explain the reason why to have to know the spectrum of a communication signal?
can someone answer this, the last person to answer it made it hard to understand and...
1. a. What is a diversity antenna? b. What is its purpose in a cell phone?...
current transformer rating. what is the purpose of 5A secondary current rating for a Current transformer?...
Determine the time-domain value of the homogeneous response of the system at n=2 if the difference...
Why can't we design a combinational digital logic circuit to control a light so that the...
Use the time-shifting property and the result for the Fourier Transform of a cosine function to...
Considering the Electro Magnetic Flow Meter application of electromagnetism. Discuss its operation principle, theoretical background and...
Write a Matlab script to solve. Output the aligned sequences with the maximum alignment score. We...
Why is it convenient to use an uncalibrated time base on an oscilloscope to measure phase...
Derive an expression for the time taken by a dc series motor driving a constant torque...
Ques 1.) Give examples of time-domain signals whose Fourier series coefficients. ----> Have purely real coefficients....
Express the following in one’s complement format using 8 bits: a. (‒46)base 8 : b. –(98)base...
1. Stop switches are always in _______ with each other and start switches are always in...
Which synchronous motor below is least likely to use salient poles? A. 2 pole motor B....
[Combinational Circuit Design] Design and draw a minimal two-level gate network (sum of products) that can...
*Digital Signal Processing Question* Let x(n)=u(-n+3)-u(-n-4). Sketch the even and odd parts of x(n).
Signal Processing Question #1 Which of the following is NOT using signals? Group of answer choices...
An 8-bit ADC has an 18.00-V reference. a. Find the outputs for input of 3.6 V...
David and Austin are trying to digitize analog pulses coming from a detector. The pulses are...
Instead of a single 32K RAM, your machine uses 4 small 8K RAMs. Demonstrate memory address...
Differentiate clearly between the even, odd and half wave symmetry waveforms with respect to their Fourier...
A silicon semiconductor material is doped with 3x1015/cm of phosphorous atoms at room temperature (300°K). Given:...
Determine the real amplitude A such that 4 cos(70πt + 2π/3) + A cos(70πt − π/6)...
Convert the followings:- (1) (890.56)16= (…………......)BCD (2) (10111)2 + (205)16 = (…………….)8 .
use booth's algorithm to find 7 multiplicand by 3?
For t ≥ 0, a current source delivers iS(t) = 10 sin(2000πt) mA to two 0.33‐μF...
A micromachined accelerometer has a resonant frequency of 150HZ and a quality factor of 2. Find...
A uniformly acceptor-doped silicon wafer at room temperature is illuminated with light at t = 0....
Calculate the amplitude of current for a p-n junction at 2V forward biased potential. Assume saturation...
To receive maximum power on the load from a network the dc operating efficiency of a...
Why would use use buffers in a 4-to-1 multiplexer? why wouldn't you use buffers? what are...
Give the guidelines for installation of electrical cabling in the hazardous areas
1. Design a 10th-order lowpass FIR filter using the window method (fir1) to cut frequencies above...
Design a Moore Machine sequence (1 input and 1 output) detector circuit that recognizes the sequence...
what is the emission factor for these gases : 1/ CO2 2/ SO2 3/ NOx 4/...
The depletion width in an abrupt p-n junction is 0.45 μ m at thermal equilibrium. What...
Draw a electrical/pneumatic diagram.(Switches and relays) one cylinder that extends then retracts and repeats and repeats...
There are two charges in space. If q1 = 0.5C and q2 = -0.03C, what is...
If a inductor coil (part of a mains transformer in a plug pack) has an average...
Assume you have an LED that requires 5V to turn on. Explain how contact potentials within...
The impedance of a three-phase line is 0.3 + j 2.4 per phase. The line feeds...
Question # 1 - In a series R-L circuit, a voltage of 10 V at 50...
Diagram the necessary connections to run a PIC16F84A (full pinout would help)
-You calculate the impedance of a single element in the circuit. The impedance is j25. What...
2 to 1 multiplexer 8-bit comparator Answer required: Descriptive diagram of each circuit - must include...
What is the fourier transform of two unit step function multiplication like F[u(t+3).u(3-t)]=?
Draw a diagram to explain how to get 6 V output from a 12 V battery...
For a factory, select a suitable dc motor for the following systems: i. A large ducted...
A short shunt compound generator supplies 50kW at 230V. The shunt field, series field and armature...
An electric heater draws 10A when connected to a 115V outlet. How much energy does the...
Calculate the energy of the following signal g(t). g(t) = 2 for -1 < t <...
Make all the necessary calculations and draw the riser for a underground service for a 2800...
How does clipper circuit provide protection for high gain amplifiers?
Consider the following continuous-time signal. x(t) = 1 for m < t < m + 1...
Wiring problem. In the elevator shaft of a tall building, there are 11 identical electrical wires...
Consider a digital system that gives visually impaired an awareness of their surroundings. The system will...
1. The voltage input to an amplifying circuit is 40mV, and the output is 3v calculate...
Uninterruptible power system (UPS) has to be connected to the network by. a) series to feed...
Using basic circuit theory for a lumped RC circuit with an ideal voltage source with a...
You measure the voltage difference between two ECG electrodes placed on your right arm and left...
A series RL circuit has a resistor of 403 ohms and an XL 518 of ohms....
1. House of 40 ’x 40’, with a voltage of 120/240 V. Determine the load by:...
2. You have a spool of optical fiber with 8 µm core diameter. ncore = 1.468....
Show the solution and determine the best answer A short transmission line supplies power to a...
Estimate the materials required for erection of 3 phase, 5 wire distribution line of the length...
21.When a clocked RS flip-flop circuit is in its set state, the output is A. Q...
Write a function to calculate the sum of the reciprocals of a series of odd numbers....
4. Describe the function of the legacy “Edison Screw” that was pioneered in incandescent lights. Why...
Please help me finding not complicated research as pre graduate student and give me problems regarding...
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