When a magnet is dropped down a copper pipe, it takes significantly longer for the magnet to get to the end of the pipe compared to dropping the magnet down a plastic
What Happens When You Drop A Magnet Through A Copper Tube? | steel | This is an excellent demonstration of Lenz's law and eddy currents. When a magnet is dropped through a
![Ciênsação hands-on experiment "Eddy currents ": physics, electromagnetism, Eddy currents; Open Educational Resource Ciênsação hands-on experiment "Eddy currents ": physics, electromagnetism, Eddy currents; Open Educational Resource](https://sciensation.org/images_hands-on_experiments/5045p_eddyTube_1.jpg)