| Title | : | A Permanent Magnet That Turns On and Off |
| Duration | : | 9 minutes, 55 seconds |
| Uploader | : | The Action Lab |
| Added On: | : | 01 December, 2020 |
| Views | : | 2.2M times |
| Likes | : | 0 |
| Source | : | YouTube |
In this video I show you how it is possible to have a permanent magnet that turns on and off with the flip of a switch. I show you several ways that a magnetic field can be blocked. Get Your Experiment Box Here httpstheactionlab.comCheckout my experiment
