This is part one of a discussion on parallel and series circuits and how they work and how devices on those circuits are affected.
Series Hands-On: http://www.youtube.com/watch?v=WlkjCZ7_gMU
Parallel Hands-On: http://www.youtube.com/watch?v=ukAlSEH4aRw
Duration : 0:9:22
[youtube eF9EuyP4dJI]