MAKE presents: The Inductor

November 9th, 2009 |

The deceptively simple coil proves incredibly useful in the world of electronics - the inductor's ability to store energy in an electromagnetic field is the key to making transformers, electromagnets, and many more components work. It truly is an awesome device!

I knew little of how inductors worked before starting out on this vid. In fact, none of the circuits I've built ever called for them specifically. But after a bit of research, I was honestly amazed to learn how they work. The process of mutual induction even inspired this little action-painting/diagram -

As always, feel free to leave a comment with your ideas/experiences/corrections/take on the matter.

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