What the HECK is a Phasor? Alternating Current Explained.

Published at : 23 Dec 2025

Alternating current is kind of wild. Electric charge drifting back and forth, governed by wave mechanics. But what if I told you there's a better way using imaginary numbers and the complex plane? It's called a phasor diagram.

Nick Lucid - Host/Writer/Editor/Animator
Vanessa R Bradley - Thumbnail
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VIDEO ANNOTATIONS/CARDS

Path of Least Resistance:
https://youtu.be/rrIY1UlogBg

Dark Matter Exists:
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OTHER SOURCES

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LINKS TO COMMENTS

https://www.youtube.com/watch?v=AAhWLN2qHGs&lc=UgwuDYqx073gJzV9zJ94AaABAg
https://www.youtube.com/watch?v=AAhWLN2qHGs&lc=UgzN9hQFMMQJWQIepnZ4AaABAg
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IMAGE CREDITS

Hank Green:
https://commons.wikimedia.org/wiki/File:Hank_Green_Vlogbrothers_2016.jpg
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TIME CODES

00:00 Cold Open
00:32 Why Rotation?
01:08 Types of Current
02:30 Root Mean Square (RMS)
03:58 Current is a Response
05:01 Complex Plane
06:18 Phasors
07:33 Phase Angle
08:19 Summary
09:05 Outro
09:29 Featured Comment
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Corrections:

04:22 Oops! The image there is a capacitor, not an inductor. My bad!