Search the PhET Website Circuit design challenge: DC, challenge, circuit, contest, design, extra credit, multi level: Simulation(s)
Circuits Software – Free Download circuits – Top 4 Download
Download DC Circuits Challenge for free. DC Circuits Challenge – This interactive computer program consists of twenty activities to help teach DC circuit analysis and troubleshooting.
DC Circuits Challenge Manual – ETCAI
DC Circuits Challenge V5 by ETCAI Products – Should I Remove