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Physics: Motors and Generators
Find out how relationships between magnets and electricity were discovered and how they are explained by the Electromagnetic Theory. Learn about a motor, a device that has the ability to convert electrical energy into mechanical energy. Also learn about another device – a generator that is used when mechanical energy is transferred into electrical energy. Discover what electromagnets are and how they work. Includes photographs, animations, and experiments. There is a link to an eThemes resource on magnets.
Learn about the basics of magnetism - what is it, what is a magnetic field, how can we measure magnetism, what is an electromagnet, the theory of electromagnetism, what use are magnets, which materials are magnetic, how different materials react to magnetism, what causes magnetism, and a brief history of magnetism.
This video demonstrates how electromagnetism can be used to create a simple motor. (Total Running Time: 2:05)
NOTE: This site includes ads.
NOTE: This site includes a discussion board. (forum, message board, etc.)
Learn how the connection between electricity and magnetism was discovered which led to forming the Electromagnetic Theory. Click on highlighted words to learn how the electromagnet, generator, and motor work. NOTE: The site includes pop-up and banner ads.
Find out how electromagnets work. Follow the link "Next" to learn about magnetic fields, batteries, and a coil. Includes experiments and animations. NOTE: The site includes pop-up and banner ads. NOTE: The site leads to websites with guest books.
Explore the pages of this web site to learn how electric motors work. Illustrated with labeled photographs. NOTE: The site includes pop-up and banner ads. NOTE: The site leads to websites with guest books.