University of Virginia
Uva Virtual Lab: Resistors and Capacitors and High Voltage
In this simulation a battery will be used to charge a capacitor. The capacitor will then be used to operate a light bulb until the capacitor is discharged.
Khan Academy
Khan Academy: Dc Circuit and Electrical Power Review
Review the components of a circuit and their symbols such as battery, resistor, and switch. Analyze how the power of a resistor is related to the current and electric potential difference across the resistor.
Intel Corporation
Intel Education: Circuits and Switches
By comparing household electricity to household plumbing, this tutorial makes the concepts of electricity easier to understand. Includes video clips and interactive activities; click on "Instructional Strategies" for teacher resources...
Georgia State University
Georgia State University: Hyper Physics: Resistor Combinations
At this site from Georgia State University parallel and series connections of resistors are explained and illustrated. Equations for computing the overal voltage, current, and resistance of such circuits are given and explained.
Other
Team Rocs: Resistance vs. Impedance
Compares resistance and impeadance using the example of car audio.
Oswego City School District
Regents Exam Prep Center: Kirchhoff's Second Law
This site provides a small definition of Kirchhoff's Second Law as well as illustrations & animations that show how this law works.
Tech Target
What Is: Resistance
A short summary of resistance and how it is measured. Including information on AC and DC.