Information about circuits ranging from tables, graphs, and lessons are included in the links. Direct and Alternating current are discussed, along with resistors and breadboards.
- All About Circuits
- Electrical Circuits
- Homemade Circuit Designs Just for You: How to Make a Simplest Inverter Circuit
- Table of Electrical Resistivity and Conductivity
- http://www.ibiblio.org/kuphaldt/electricCircuits/Exper/EXP_3.html
- http://www.electronic-circuits-diagrams.com/resistors-tutorials/
- http://www.animations.physics.unsw.edu.au//jw/AC.html
- http://www.allaboutcircuits.com/textbook/direct-current/
- http://www.penguintutor.com/electronics/circuits