ELEC 105, Spring 2004
Prof. Rich Kozick

Homework 4

Date Assigned: Wednesday, February 11, 2004
Date Due: Monday, February 16, 2004 ** Changed to Wednesday, Feburary 18 **

  1. Reading: In the Hambley text, continue to study Chapter 2. We will focus on Sections 2.4 (node-voltage analysis) and 2.6 (Thevenin equivalent circuits) this week. We will not discuss Section 2.5 on mesh-current analysis in class.

    Please read Section 2.8 on the Wheatstone bridge before class and lab on Wednesday, February 11.

  2. Please solve the following problems at the end of Chapter 2 in the Hambley text.
    2.28: In this problem, you are designing a voltage divider, and the "device" will be connected in parallel with one of the resistors in the voltage divider. The smallest voltage (4 V) appears across the device when it draws the most current (25 mA), and the largest voltage (5 V) corresponds to the least current (0 mA). Briefly explain why the voltage supplied to the device is not constant.

    2.31, 2.32, 2.34, 2.38

  3. Please submit your lab notebooks on Monday, February 23, in class. I will review your notebooks for Labs 1 (there is not much for this one), 2, and 3. I will not review Lab 4, which we will perform on February 18.

    Please follow the Laboratory Guidelines that are available on the course web page when preparing your notebook.

Thank you.