From http://iwant2study.org/lookangejss/05electricitynmagnetism_17current/ToonVanHoeckeBelgium/
About
You can click and drag circuit elements to the circuit board. The background turn gray when the circuit is not completed! You can simulate most linear circuits with this Java applet.
Video explanation by Fu-Kwun Hwang
For Teachers
another RLC circuit Video explanation by Fu-Kwun Hwang
Other Resources
https://www.geogebra.org/m/jF4CZMAZ Capacitor Lab by ukukuku
Software Requirements
FireFox Browser
Java Plugin enabled
Java Edit Site List add http://iwant2study.org/ or http://www.phy.ntnu.edu.tw/ depending which server you prefer
Credits
Toon Van Hoecke