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:...

02

Sep/2016

## Fe exam prep: rlc circuit phasor notation

• electromagnetics
• phasors

Ulaby Problem 1.28 Problem Statement A series RLC circuit is connected to a generator with a voltage $$v_s = V_0 \cos{(\omega t + \frac{\pi}{3})}$$ (V)....

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)} \\...