+
Interactive
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Circuit Construction Kit (Ac+dc)

For Students 9th - 10th
This new version of the CCK adds capacitors, inductors and AC voltage sources to your toolbox! Now you can graph the current and voltage as a function of time. Java required.
+
Interactive
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Circuit Construction Kit (Dc Only)

For Students 9th - 10th
An electronics kit in your computer! Build circuits with resistors, light bulbs, batteries, and switches. Take measurements with the realistic ammeter and voltmeter. View the circuit as a schematic diagram, or switch to a life-like view....