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@Public Source Projects

How does an Electric Motor work? (DC Motor)


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Electric motors can seem very mysterious! How do they use electricity to start rotating? Let's break it down step by step to understand how it works. Topics covered in this video: circuits, current, magnets, electromagnets, armature, commutator, brushes, stator, and rotor. This video only covers DC motors.


00:00 - Intro

00:41 - Circuits

01:22 - Magnets

02:27 - Electromagets

04:28 - Improvements to Electric Motor

05:00 - Commutator and Brushes

07:19 - Improving Torque

08:20 - Devices with Motors

09:00 - Brilliant

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Special thanks to those that reviewed this video:

Chad Williams

Ben Francis

Kevin Smith

Internet Sources:




https://youtu.be/wxG3cwugXgs -- How DC Motors Work (National MagLab)

https://youtu.be/-qS85aIvleQ -- How DC motors and universal motors work (Matthias Wandel)

https://youtu.be/cxELqN7wjS0 -- How does an Electromagnet work? (Science Buddies)

https://youtu.be/GQatiB-JHdI -- DC Motor Explained - Basic working principle how DC motor works (The Engineering Mindset)

Book Sources:

Schaum's Outline of Basic Electricity, Second Edition by Milton Gussow


How Things Work: The Physics of Everyday Life, 4th Edition by Louis A. Bloomfield


Electric motor image credit:

   By Marrrci - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index...

Music: (Soundstripe.com)

"Hot Stuff" By Brasko

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