Wikipedia offers information on two basic ways of wiring components in electrical circuits, series and parallel circuits.

Explains and illustrates the meaning of parallel connections. Discusses the voltage-current-resistance relationships for parallel connections of resistors. An example problem on parallel calculations can be accessed from this page.

Explains what a combination circuit is and how to calculate the resistance and amperage values in this type of circuit.

What is an electronic circuit? Resource provides a discussion of series, parallel, and series-parallel circuits plus more.

A very comprehensive site organized well with many topics dealing with AC circuits.

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.

A simulation investigating a parallel-plate capacitor which is charged by connecting one plate to the positive end of a battery, and the other plate to the negative end. The battery sends electrons from one capacitor plate to the other...

At this site from Georgia State University Ohm's law is stated in words and using equations. A JavaScript form allows for multiple practice problems with instant feedback and reinforcement. Kirchoff's current law is stated and...

A study guide covering electrical systems.

Explore current electricity and different types of electric circuits.

A general summary of electrical resistance including a comparison of AC and DC current.

This site contains a straightforward definition of resonance in an electrical circuit.