Curated OER
AC Filtering With Capacitors
Learners investigate the properties of capacitors and discover that capacitors block DC and filter AC. They discover the function of capacitors. Students differentiate between AC and DC power. They explore the role of resistors.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Circuit Construction Kit (Ac+dc)
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.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Circuit Construction Kit (Dc Only)
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....
CK-12 Foundation
Ck 12: Fourth Grade Science: Physical Science: Electric Current
[Free Registration/Login may be required to access all resource tools.] Defines electric current and relates electric current to different materials (insulators and conductors).