01

Jan/2017

A quick complex math exercise

  • complex math
  • electromagnetics


Ulaby Problem 1.18 Problem Statement Complex numbers \(z_1\) and \(z_2\) are given by and \(z_1 = -3 + j2\) \(z_2 = 1 - j2\). Determine:...

01

Jan/2017

Fe exam prep: complex math

  • complex math
  • electromagnetics


Ulaby Problem 1.18 Problem Statement Complex numbers \(z_1\) and \(z_2\) are given by and \(z_1 = -3 + j2\) \(z_2 = 1 - j2\). Determine:...

01

Sep/2016

Exam reference sheet

  • Electromagnetics
  • FE Exam
  • PE Exam


Physical Constants {#physical-constants .unnumbered} Speed of light $c$ $3 \times 10^{8} \text{ m/s}$ Boltzmann const $K$ $1.38 \times 10^{-23} \text{ J/K} $ Elementary charge $e$...

31

Aug/2016

Ulaby problem 1.14

  • Ulaby
  • Electromagnetics
  • FE Exam
  • PE Exam
  • Wave math


Ulaby Problem 1.14 Problem Statement A certain electromagnetic wave traveling in seawater was observed to have an amplitude of 98.02 (V/m) at a depth of...

31

Aug/2016

Ulaby problem 1.10

  • Ulaby
  • Electromagnetics
  • FE Exam
  • PE Exam
  • Wave math


Ulaby Problem 1.10 Problem Statement An oscillator that generates a sinusoidal wave on a string completes 20 vibrations in 50 s. The wave peak is...

31

Aug/2016

Ulaby problem 1.8

  • Ulaby
  • Electromagnetics
  • FE Exam
  • PE Exam
  • Wave math


Ulaby Problem 1.8 Problem Statement 1 Two waves on a string are given by the following functions: \[\begin{aligned} y_1(x,t) &= 4 \cos{(20t - 30x)} \\...

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