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Electric motors involve rotating coils of wire which are driven by the magnetic force exerted by a magnetic field on an electric current. They transform electrical energy into mechanical energy.
A clear diagram to explain how motors operate with links to follow for further explanations on DC or AC motors.
Practical projects for building many types of electric motors. Great for school projects science clubs.
How to make a simple electric motor at home.
A manual on how to run and control stepping motors. Useful if you are experimenting with robotics. There is a section on how to program (you will need a C compiler) a stepping motor to run from a ...
A brief description of how Electric Motors work from HowStuffWorks.com.
Induction motors use shorted wire loops on a rotating armature and obtain their torque from currents induced in these loops by the changing magnetic field produced in the field coils.
Building high (static) voltage motor from plastic bottles. This is an interesting site with some good links.
A guide to making this simple form of motor. Contains an explanation of a reed switch.
HowStuffWorks article on electric guitars and how they use magnetic coils to translate sound into an electrical signal.
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