Simulates AC and DC circuits. Created by by Toon Van Hoecke at the Universiteit Gent. Try out small circuits and see response in Meters and Scope. Using the Java Applet Power.
Java 1.1 Physlets and the Circuitbuilder
It has a Oscilloscope and it pops up the oscilloscope window for your circuit tests.
Physlets or Physics Applets, are small flexible Java applets designed for science education.