Ampere's Law, Solenoids, Revisit the Kelvin Water Dropper (great demo)
THE NEXT LECTURE (#16) IS A MUST! IT WILL OPEN YOUR EYES.
Assignments Lecture 13, 14, 15 and 16: http://freepdfhosting.com/68fc720c7c.pdf
Solutions Lecture 13, 14, 15 and 16: http://freepdfhosting.com/5d4c550dc5.pdf