How Do You Make an Electromagnet - 搜索视频

How to Make an Electromagnet

How to Make an Electromagnet

In an electromagnet, an electric current runs through a piece of metal and creates a magnetic field. To create a simple electromagnet, you'll need a source of electricity, a conductor, and metal. Wrap insulated copper wire tightly around...

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Electromagnet Projects

make an electromagnet

make an electromagnet

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Electromagnet Uses

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