325 Answered Questions for the topic electrical engineering
Electrical Engineering
01/05/23
sequence recognizer
A1) Design a sequence recognizer (Mealy machine) for a sequence of ‘00101’. Look at the followingexample.Input X: 0010 0101 1010 1110 1011 0010 1100 0101 1011 ...Output Z: 0000 0001 0000 0000 0000...
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Electrical Engineering
12/09/22
electrons are negatively charged particles, and are contained in the nucleus of the atom.
Electrical Engineering
10/03/22
Physics Question
Pls help me solve the math problemHeres the link below:https://ibb.co/y09frGw
Electrical Engineering Linear Algebra
09/24/22
Convolution and solving for the Toeplitz and Hankel matrices
Some linear functions associated with a convolution system. Suppose that 𝑢 and 𝑦 are scalar-valued iscrete-time signals (i.e., sequences) related via convolution:𝑦(𝑘) = ∑j ℎj𝑢(𝑘 − 𝑗), 𝑘 ∈ ℤ, where...
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Electrical Engineering Linear Algebra
09/24/22
Show that for matrices 𝐴, 𝐵 ∈ ℝnxn, a vector 𝒘 = 𝐴𝐵𝒙 can be written as 𝒘 = ∑ni=1 (𝒃iT𝒙)𝒂i
Show that for matrices 𝐴, 𝐵 ∈ ℝnxn, a vector 𝒘 = 𝐴𝐵𝒙 can be written as 𝒘 = ∑ni=1 (𝒃iT𝒙)𝒂iwhere 𝒃𝑖T is the 𝑖th row of matrix 𝐵, and 𝒂i is the 𝑖th column of matrix 𝐴.(Hint: Let 𝒛 = 𝐵𝒙, then 𝒘 = 𝑧1𝒂1...
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Electrical Engineering
09/21/22
When the pointer of an analog ohmmeter reads close to zero, the resistor being measured is: 1- open 2- shorted 3- reversed 4- overheated.
Electrical Engineering
09/21/22
A half-watt is equal to how many milliwatts?
09/20/22
Kirchoff's laws and electrical circuit
Two batteries with emf ε1 = 10 V and emf ε2 = 20 V and internal resistances r1 = 1 Ω and r2 = 2 Ω, respectively, are connected in parallel, and then connected in parallel to a resistor of R = 30 Ω...
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07/25/22
Find the resistance between point A and B
a) A figure made of wire consists of two equilateral triangles of triangles as shown in fig. a). The length of the side of the larger triangle is a, the longitudinal resistance of the wire is ρ....
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Electrical Engineering Physics
06/30/22
The electric field intensity 2m from the surface of a charged sphere is 30.86 x103 N/C. The charge density at the surface of the sphere is 8.85 x 19‒7 coul/m2. What is the radius of the sphere ?
The electric field intensity 2m from the surface of a charged sphere is 30.86 x103 N/C. The charge densityat the surface of the sphere is 8.85 x 19‒7 coul/m2. What is the radius of the sphere ?•...
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Electrical Engineering Linear Algebra
06/21/22
Could s.o help me this problem. We are doing the second semester of the first year of ho chi minh city uni of tech. (HCMUT) . This is linear algebra course
Doing the row operation -6R2 + R3-> R3 on a matrix A(4*4) this is equivalent to multiplying A by the matrix D. Find D and figure out it is on the left or right of the A
Electrical Engineering Calculus
06/20/22
Evaluate the integrals
let ∫04.5f(x)dx=1, ∫01.5f(x)dx=6, ∫34.5ff(x)dx=10find ∫1.53f(x)dx= and ∫31.5(1f(x)-6)dx=
Physics question about AC generator
The AC generator rotation frequency is 16.5 Hz. The generator generates 50 Hz alternating current. How many pairs of magnetic poles this generator has?The correct answer is 3 pairs.
Electrical Engineering
05/30/22
CALCULATE THE THREE RESISTORS.
Three resistors R1, R2, and R3 are connected in series-parallel with R1 in series with the parallel combination of R2 and R3. The whole combination is connected across a 140 V source. Resistors...
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Electrical Engineering
05/10/22
A 25-ohms load is drawing 0.6 amperes. What is the source voltage?
Electrical Engineering
05/10/22
A 6-ohm resistor is in parallel with a 10 ohm resistor. What is the current in the 6-ohm resistor if the total current drawn is 32 A ?
Electrical Engineering
05/10/22
Three resistors of 10, 15 and 'X' ohms, respectively are connected in parallel across a constant current source of 8 A. Determine 'X' if this resistor draws 2.5 A.
Electrical Engineering
05/09/22
A 12-ohm resistor is in series with an 8-ohm load. Find the total source voltage if the voltage across the 12-ohm resistor is 40 Volts?
Electrical Engineering Physics
05/09/22
VALUE OF RESISTOR
A resistor R in series with an 8 ohms resistor is connected across a 60 V voltage source delivering 2.5 A of current. What is the value of resistor R ?
Electrical Engineering Physics
04/27/22
In the figure R1 = 5.65 Ω, R2 = 17.0 Ω, and the ideal battery has emf ε = 13.5 V. (a) What is the magnitude of current i1? (b) How much energy is dissipated by all four resistors in 2.36 min?
In the figure R1 = 5.65 Ω, R2 = 17.0 Ω, and the ideal battery has emf ε = 13.5 V. (a) What is the magnitude of current i1? (b) How much energy is dissipated by all four resistors in 2.36 min?
Electrical Engineering Physics
04/27/22
In the figure four particles are fixed along an x axis, separated by distances d = 3.00 cm.
In the figure four particles are fixed along an x axis, separated by distances d = 3.00 cm. The charges are q1 = +3e, q2 = -e, q3 = +e, and q4 = +8e, with e = 1.60 × 10-19 C. What is the value of...
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Electrical Engineering Physics
04/27/22
You are given a number of 22 Ω resistors, each capable of dissipating only 2.1 W without being destroyed.
You are given a number of 22 Ω resistors, each capable of dissipating only 2.1 W without being destroyed. What is the minimum number of such resistors that you need to combine in series or in...
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Electrical Engineering
04/26/22
7. A fiber-optic cable has a bandwidth of 800 MHz-km. What is the bandwidth of a 1000 -ft segment of a cable?
7. A fiber-optic cable has a bandwidth of 800 MHz-km. What is the bandwidth of a 1000 -ft segment of a cable?
Electrical Engineering
04/26/22
2. State the lowest wavelength and highest wavelength of a visible light?
2. State the lowest wavelength and highest wavelength of a visible light?
Electrical Engineering
04/26/22
1. Which segment of the optical-spectrum has the highest frequencies? The lowest frequencies?
1. Which segment of the optical-spectrum has the highest frequencies? The lowest frequencies?
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