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Electrical-Engineering Questions
Electrical-Engineering Questions
x[n]=cos(pi/8 *n^2) is periodic or non and explin it?
Find the efficiency of a transformer given the following : 240mrsV and 100mA of primary 18...
Name at least 5 types of diode with its definition and its usage
What are the steps involved to build a large energy storage system using the Second Life...
In an FM system the carrier frequency is 1MHz, the modulating signal at 10 kHz, the...
are all items of information always kept in electronic format? Is it possible that the same...
Problem For an 8 bit-Unipolar D/A converter, what is the output voltage for an input of...
Assume that an asynchronous serial communication protocol is configured to utilize 15-bit data, odd parity, one...
an open delta three phase transformer system has one transformer center tap that provide in neutral...
A short transmission line with R =X= 4 Ωو is supplying a 3-phase load of 500...
What would be the rating of an inverse-time circuit breaker required for the branch circuit serving...
A 11-kVA, 24OO--240-V, 5O-Hz transformer has a magnetic core of 41-cm^2 cross section and a mean...
THESE QUESTIONS ARE FROM THE SUBJECT POWER SYSTEM FUNDAMENTALS 1. Name the important components of an...
The architecture of the Raspberry Pi is ARM, while that of most desktops and laptops today...
A sequential circuit with two flip flops, A and B; one input, x; and one output...
Matlab: Write an ‘m’ file that implements a function to calculate the energy of the signal.(Hint:...
Given an analog signal ?? (?) = 10 cos(3500??) , ??? ? ≥ 0, sampled at...
system #1 is described by y(t) = ramp(x(t)) and system #2 is described by y(t) =...
Explain how solar cells are connected in series within a PV module! What is the difference...
home / study / engineering / electrical engineering / electrical engineering questions and answers / combining...
A single diode cannot be used to full-wave rectify an AC voltage.
a) What is power transfer limit of a long transmission line? List two methods that can...
Design two parallel open single-stub matching network that match a load 60-j45 Ω to a source...
The Fourier transform W(f) of a time domain signal w(t) is given by: W(f) = 5.87...
Effects of incorporating derivative control? What about integral and proportional?
Circle the correct answers The overall transfer function from block diagram reduction for cascaded blocks is?...
CMOS inverter is superior to the R-pull up inverter due to: a. High impedance b. Smaller...
Does magnetic hysteresis cause a field to be non-conservative? Explain your answer.
Design a -40 dB second order low pass active filter for a cut-off frequency of 3...
In multistage amplifier, coupling capacitors are used to connect one stage to another. Is it possible...
consider a 7 volts battery whose voltage (integer number) is encoded by a binary number. if...
If you were using the Fourier Series coefficient c_k to determine if an anomalous signal is...
4. Consider a TCP session and a UDP session that must share a link’s bandwidth. Both...
The power lost in a copper wire is 16 kW when 10 A current pass through...
Problem 4> We have four colors (red, black, white, blue) to encode. In this encoding, we...
Please prepare a tutorial on what BIBO stable means from the point of control systems engineering....
Problem 1. Plot the probability of false alarm given threshold voltage, Vt, from 0.1 to 100...
Given that damped frequency is β = 4 rad/sec and attenuation constant is α = 3 volts/sec, determine...
show odd numbers from 2000 to 1 in descending order in arduino software
1) A three-phase substation transformer operating at 34.5kV is loaded to 24 MVA. What is the...
Create a 4-bit prime number detector. The circuit has four inputs---N3, N2, N1, and N0--- that...
Design and simulate a Half and Full wave rectifier for a 12V AC supply with 60...
Calculate the number of kilowatt-hours (kW-hrs) consumed in a week by an 850-Watt window air conditioner...
write a paper about where do see the future grow area of the digital signature application.minimum...
What is the current in A, from a PV cell if dark saturation current, I0(Insat) = 1.000x10-10A,...
1.In the design of electrical drives, high permeability materials are often used. Explain why this is...
3.) (a) How is a TCP connection established? (b) What functions are performed by TCP? (c) How...
The FIR system is given by H(z) = 1 + 1.61z−1 + 1.74z−2 + 1.61z−3 +...
design an op amp circuit which can multiply and divide two voltages x and y and...
For a Wheatstone bridge circuit, R1 is a sensor whose resistance is related to a measured...
Determine the state-variable model for a system with the following difference equation y(k+2)-y(k+1)+2y(k)=u(k)
Q1 Consider a 24 slot machine. This machine is designed to have 4-poles a) If the...
CMOS only. For the expression F = AB + AC, draw the corresponding logic circuit using...
You are taking a measurement of a signal from a sensor with high frequency noise. In...
Buck Converter: Theory, schematic, operation, advantages, application, duty cycle, efficiency Design calculation Example: Input voltage:
Design a controller for the transfer function)5)(1(1)(++=sssGto obtain (i) zero steady-stateerror due to step, (ii) a...
Consider a LTI system with impulse response h[n] = u[n]*a^n, where |a| < 1. a) Determine...
??��⃗ = 3??�??+√2??�?? is incident from free space onto a dielectric material with ε=2εo as below....
design a lowpass filter that cutoff freq=10rad/s dc gain=14 db gain of -66 db at 1000rad/s...
For the standing wave pattern, find the minimum voltage for the following SWR: a. 1 b....
1) Describe PN junction under equilibrium, forward, and backward bias conditions. Draw the band diagram together...
Let x(t) = tu(t) be the input to a LTI with impulse response h(t) = t...
The power factor of an inductive load is 0.25 at the third-harmonic. The power taken by...
Consider an PMOSFET with NA=1016/cm3 and an aluminum gate (ΦM=4.1eV). The oxide layer is SiO2 with...
1. What are the pros and cons of using Nodal Analysis versus Mesh Analysis?
Write units wherever necessary. Describe in 3-4 sentences how you would use Ohms Law to determine...
Calculate the repulsion force for two plate-like parallel particles (25 nm by 25 nm by 1...
1900) An analog input module uses an A/D converter with 8-bit resolution. The module range is...
Create a 4th-order lowpass active Chebyshev filter with a 3-dB ripple in the pass band with...
A single-phase system similar to Fig. 2.10 has two transformers A-B and B-C connected by a...
A 1,500 kVA, 3-phase alternator is connected to an infinite busbar at constant voltage of 11,000...
An analog signal ?? (?) = 6sin(280??) + 3 sin(720??) − 7cos 260(? − 1)? is...
(a) Show that the system of differential equations for the currents i2(t) and i3(t) in the...
1) Why do we use charge controllers in a PV system and what are their differences...
Suppose an alkaline 9 V battery can supply 100 mA (to power a small light bulb,...
A solid conductor of circular cross section with a radius of 5 mm has a conductivity...
Calculate the pathloss for the following models at frequency of 850MHz and 1450MHz, at distance of...
You plan to track the condition of two three-phase electrical junction boxes using infrared thermography. What...
Explain the Single phase fully controlled converter with R load with waveform and derive its output...
Consider a form of lighting. this can happen whenhight voltage jumps between two electrical conductors. when...
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