A Level Physics

Electricity
http://www.youtube.com/watch?v=zUEvc9Bztl8

Electric Fields
http://www.youtube.com/watch?v=GDFpTefpDME

Alternating Current
http://www.youtube.com/watch?v=C_mxpy0bdoA

Superconductivity
http://www.youtube.com/watch?v=fuloQcljFOs

Wave Particle Duality
http://www.youtube.com/watch?v=dwO3ykdMDyo

Elementary Particles
http://www.youtube.com/watch?v=2zZ1kv6vlq0

Nuclear Physics
http://www.youtube.com/watch?v=00iHGv-GQlY