Why outlets spark when unplugging - EMF & Inductors

Congratulations Dianna! It took me many years to realize the concept that you explain so easily in minutes in this video. It's amazing how easy you explain it. the water hammer is a great example. I think the magnetic storage energy explanation and conservation is the best way to give a brief introduction. The actual fact is much more complex because involves current, magnetic flux and variations of both. Too much for a basic explanation. Still you did it great! Thanks!