Posted: June 11, 2013
http://www.engineeringinteract.org/resources/siliconspies.htm
http://www.hyperstaffs.info/science/work/physics/bailey/electro.html
http://www.ngfl-cymru.org.uk/vtc/using_electricity/eng/Introduction/defa...
http://www.bbc.co.uk/schools/podsmission/electricity/annie02.shtml
http://www.learningcircuits.co.uk/
http://www.bbc.co.uk/schools/scienceclips/ages/10_11/changing_circuits_f...
http://www.bbc.co.uk/schools/scienceclips/ages/6_7/electricity_fs.shtml