ELEC 226, Spring 2009
Prof. Rich Kozick

Homework 4


Date Assigned: Thursday, February 5, 2009
Date Due: Wednesday, February 11, 2009

  1. Reading: In the Nilsson/Riedel text, please continue to study Chapter 10 on sinusoidal steady-state power. We will discuss Sections 10.1 and 10.2 on Feb. 9 and the remaining sections on Feb. 11 and the week of Feb. 16.

  2. Please solve the following problems and submit solutions in class on Feb. 11:
    Chapter 9: Problem 9.80. (We will solve a similar problem, 9.79, in class on Feb. 9.)
    Chapter 10: Problems 10.4 and 10.6. For these problems, find the relevant voltage and current phasors, then apply equations (10.2), (10.3), and (10.10) to compute the average power, P.
    These problems are moved to Homework 5. Please submit your solutions with Homework 5.

  3. We will have a short quiz on the topic of ideal transformers in class on Wednesday, Feb. 11.
    The short quiz will be on Wednesday, Feb. 18.

  4. Homework 5 is posted in case you want to get an early start as you study Chapter 10.
Thank you.