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Electromagnetism

Magnetism produced by an electric current; uses and introduction to the right hand rule.

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DIY Super Electromagnet

How to Make a BIG and Powerful Electromagnet with the Primary of the transformer of a microwave oven. Remove the Secondary. With Iron or Steel (ferromagnetic materials) it attracts with a really great strength. With non ferrous metals like aluminum and copper it repels them due to Eddy currents.

Courtesy of mopatin

 

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