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How to build a simple electric motor, plus how it works.

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The Tabletop Explainer is an intermittent educational vlog presenting answers to viewer questions, brief science lessons, and ideas for teachers and students. It is a feature of my blog "Tilts at Windmils" which can be found at http://www.davidcolarusso.com/...

Channel: Howto & Style
Uploaded: November 30, 1999 at 12:00 am
Author: dcolarusso

Length: 02:17
Rating: 4.53
Views: 469344

Tags: demos  electric  experiments  explainer  motor  physics  science  simple  tabletop  

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Video Comments

TooGooD360 (November 30, 1999 at 12:00 am)
What would this experiment be defined as? Would it be under electromagnetism?
ryannh9 (November 30, 1999 at 12:00 am)
Oops, These were replies to previous posts.Clearly, I have yet to master the procedure for commenting on youtube.
ryannh9 (November 30, 1999 at 12:00 am)
if I push something, will it move towards me?
ryannh9 (November 30, 1999 at 12:00 am)
I don't have sound working on my computer yet, so I don't know what he said, but:You're wrong. This doesn't necessarily have anything to do with induction or electromagnets.It has to do with the Lorentz force that describes the force on a moving charge in a magnetic field.More loops -> more moving charges -> more torque -> coil moves faster.Or if you could reduce the resistance in the wires you getfaster moving charges -> more torque -> coil moves faster
jackanywhere (November 30, 1999 at 12:00 am)
my question is, is it possible to spin a dynamo without using any outside source, like ; wind ,or water, or fuel like gas , and how about if I'm going to spin the dynamo using it's own energy to spin it self. can it be possible ?
bzzzb (November 30, 1999 at 12:00 am)
The wire is insulated with plastic so the electrons have to go in a circle.
jusk2ru (November 30, 1999 at 12:00 am)
OMG It's so easy to make!!! Actually when I was 7 I use to make this cind of stuff...
boobleplatz (November 30, 1999 at 12:00 am)
smartass
SteliosRulez (November 30, 1999 at 12:00 am)
Ok I have a good question. Is it just a cirle of the same material cause if it is then what you showed is impossible. Electrons will not move from the back direction on the down side of the circle, they will move on the same side and the forces will exterminate each other.. enlighten me plz ...
littleteddy9 (November 30, 1999 at 12:00 am)
why are you telling people that and how do you know that?

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