Lecture (L2-1) Ohm's Law

Text ## Lecture (L2-1) Ohm's Law

Question of the Day (Learning Objectives)

1. What is Ohm's Law, and how do you apply it?

2. What are Resistance, Conductivity and Resistivity?  What is resistance used for?

3. What are typical ranges of conductivity for conductors, semiconductors, and insulators? (See Table 2-1)

Readings & Reference Materials

1. TextBook: Chapter 2-1

2. Resistor Color Code

3. Application: Water Analogy to Circuits
4.  Application: Sea Ice
5. Physics of Ohm's Law

Lectures

Watch this video lecture  before class, and take notes on the Question of the Day.

http://youtu.be/W6rAAqTExbE Links to an external site.

 Power Point to take notes on: L(2-1) -- Ohms Law.ppt Download L(2-1) -- Ohms Law.ppt

Index for L(2-1):  pdf Download pdf

Self-Assessment: ECE1250_Assess2_1.pd Download ECE1250_Assess2_1.pd

Additional Examples

• Circ:Ohm's:R networks:Ex1 Links to an external site.

  Circ:v i dividers:Ex1 Links to an external site.

In Class

Bring your notes from the Question of the Day to class with you. We will start on your homework.

in class 2-1 CMF.docx Download in class 2-1 CMF.docx

L(2-1 in class) -- Ohms Law s.pdf Download L(2-1 in class) -- Ohms Law s.pdf

1. Application: Water Analogy to Circuits 

2. Application: Sea Ice