Jumping Rings with Electricity

Funded Mar 2, 2018

Thank you for helping acquire the ring thrower for my Electricity and Magnetism students. We used it as a learning tool to demonstrate Lenz's Law (in conjunction with Faraday's Law). The students particularly enjoyed this demonstration because they were not expecting such a spectacular jump when they first saw it, and took them a while to try and figure out why it works.

Over the course of a class period we discussed what could be happening and students offered all manners of explanations, good and bad, but we worked our way towards a complete explanation with the assistance of many many diagrams. (They used the ring thrower so much over the course of the day we actually blew the fuse and got a mini lesson on replacing fuses).

At this point the Seniors have graduated and 5 juniors remain the class. They will be incorporating the ring thrower into the Rube Goldberg machine they are constructing in the back of the classroom.”

With gratitude,

Mr. Watson