![Matthew Blackman on Twitter: "Dropping a strong magnet through a copper pipe is one of the most AMAZING ways to demonstrate electromagnetic induction! AP students are using Lenz's Law to analyze the Matthew Blackman on Twitter: "Dropping a strong magnet through a copper pipe is one of the most AMAZING ways to demonstrate electromagnetic induction! AP students are using Lenz's Law to analyze the](https://pbs.twimg.com/media/DUuGOdhXcAE4Sxc.jpg)
Matthew Blackman on Twitter: "Dropping a strong magnet through a copper pipe is one of the most AMAZING ways to demonstrate electromagnetic induction! AP students are using Lenz's Law to analyze the
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
![Matthew Blackman on Twitter: "Students worked on whiteboards to determine the direction of the magnetic flux, change in flux, and induced current below the magnet and above the magnet as it falls! Matthew Blackman on Twitter: "Students worked on whiteboards to determine the direction of the magnetic flux, change in flux, and induced current below the magnet and above the magnet as it falls!](https://pbs.twimg.com/media/DUuGF34XkAQ-oLK.jpg)