 112 Answered Questions for the topic electrical engineering

Electrical Engineering Math Calculus

21h

Use the method of Power Series to solve the following nonlinear ODE:Please only use Power series method.
Electrical Engineering Math Calculus

1d

Given the following 1st order linear homogeneous system: its coefficient matrix    has two repeated real eigenvalues      but only one independent eigenvector    I got an answer below but I am not... more
Electrical Engineering Math Calculus

1d

x'=-x+2yy'=-2x+3yWhat is the genral solution with C1 and C2?λ1=λ2=1Eigenvector= 
Electrical Engineering Math Calculus

1d

#### Given the first order linear homogeneous system of equations

Given the first order linear homogeneous system of equationsx'(t)=-x(t)+2y(t)y'(t)=-2x(t)+3y(t)Its coefficient matrix A=[-1 2] [-2 3]has two represented real eigenvalueλ1=λ2=1 but only one... more
Electrical Engineering Math Calculus

3d

Given the following non-linear system: find its critical points and classify the solution behavior of the non-linear system near each critical point using the linearization method.In other words,... more
Electrical Engineering Math Calculus

3d

Find its critical points also find if it's Unstable (near a saddle point)? Spiral sink (stable)? Stable but tracing out an ellipse?
Electrical Engineering Math Calculus

5d

Use the Eigenvalue Method to solve the following system of ODEs:﻿  My answer was λ3 +3λ2-4=0Eigenvalues: 1, eigenvector: 1, -1, 1Eigenvalues: 2,eigenvector: -1, 1, 0
Electrical Engineering Math Calculus

5d

Use the Eigenvalue Method to solve the following system of ODEs:﻿  My answer was λ3 +3λ2-4=0Eigenvalues: 1, eigenvector: 1, -1, 1Eigenvalues: 2,eigenvector: -1, 1, 0
Electrical Engineering Math Calculus

5d

Use the Eigenvalue Method to solve the following system of ODEs:﻿
Electrical Engineering Math Calculus

5d

Use the Eigenvalue Method to solve the following system of ODEs:
Electrical Engineering Math Calculus

5d

Given the following non-linear system:   A.) its critical points are   B.) its critical points are  C.) its critical points are  D.) the system has no critical point.
Electrical Engineering Math Calculus

11d

#### Use the Eigenvalue Method to solve the following system of ODES. Please help with this question!!!

Use the Eigenvalue Method to solve the following system of ODES:  Hint: The corresponding coefficient matrix has a pair of complex eigenvalues.
Electrical Engineering Math Calculus

11d

Find the eigenvalues and their corresponding eigenvectors of:  Hint: Use EROs to create two zeros in one row or one column of      first.
Electrical Engineering Physics Electromagnetism

16d

#### electromagnetism

A 4uC linear charge is distributed in a square of side 0.7m, which is contained in the 'yz' plane and has its center at the origin. The 'x' axis passes through the center of the square. Find the... more
Electrical Engineering Power Systems

07/08/20

#### What is the required KVA rating of a capacitor bank used to correct a .67 lagging PF to .95 PF in a 2400KVA load?

I keep getting 1252.95, but I am unsure of the steps I am taking to solve the problem. It would be helpful to see the steps someone else uses to either confirm my answer, or see where I am going... more
Electrical Engineering Math Physics

07/06/20

#### Internal Resistance of a Battery

You connect unknown resistors across the terminals of a battery and take the following measurements: Terminal Voltage 14V, Current 4A Terminal Voltage 10V, Current 20A a) What is the internal... more
Electrical Engineering Electronics Digital Logic Design

06/13/20

#### Digital logic Design(Making a Circuit)

Design a car security system which has 4 sensors on all 4 doors. The system works such that it sounds an alarm if it detects any intrusion from any of the 4 doors. When the alarm begins... more
Electrical Engineering

06/12/20

#### What is the phase angle for inductive reactance?

Inductive reactance is measured in ohms.
Electrical Engineering Math Calculus

06/10/20

#### First Order Partial Derivative Only

can you tell me some real world applications of Only First Order Partial Derivative with explanation or recommend?
Electrical Engineering

05/30/20

#### Inverse laplace

Obtain the inverse Laplace transform of 𝐹(𝑠)=
Electrical Engineering

05/30/20

#### Inverse laplace

Find the inverse Laplace transform of 𝐹(𝑠), where 𝐹(𝑠)=
Electrical Engineering Physics Physics B

04/27/20

#### how to prove this question ?

we have two charged particles on an axis(-3q and -q ) however a third charged particle can be placed at a certain point between the particles. how to prove the equilibrium is stable or unstable ?
Electrical Engineering Physical Science Electromagnetism

04/27/20

#### Number of electrons as a function of time

Find the number of electrons as a function of time if: i(t) = 10 cos(t), to and q(to) = 0
Electrical Engineering Math Calculus

04/10/20

#### Can someone please help me with this? I have to find a solution using Wronskian and I'm having a very difficult time.

Given y1, can you find y2? Find y1y'2 - y'1y2 = W(t). Answer choices: 1. y2 = ty1 2. y2 = y1∫W(t) dt 3. y2 = y1 (c+∫(W(t)/y1^2) dt ﻿4. y2 = y1∫(W(t)/y1) dt
Electrical Engineering Capcitance

03/02/20

#### Uncertainty of capacitance. What is the uncertainty in the equivalent capacitance when C1 and C2 are connected in series?

1)You measure the capacitance of two capacitors with uncertainties, C1 = (1548 ± 23) μF and C2 = (865 ± 14) μF. You connect these capacitors in series. What is the uncertainty in the value for... more

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