Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Sure it's a motor, a linear motor. The magnets stuck to the poles of the battery, make contact with the bare copper wire 'coil' making it an electromagnet between the two poles. This (electro mag) is repelled on one end and attracted on the other by the permanent magnets, as the battery moves in the coil it changes the position of the electromagnet, causing more movement. But it's not a practical thing.
The magnets provide the magnetic field, as well as contacts that connect the coil of wire to the battery. When both sides are connected to the wire, it generates an electromagnetic field around the coil. Because of the directions the magnets are facing (and the polarity of the magnetic field created by the current through the coil), the magnetic fields repel each other, which pushes the battery through. When this happens, though, it simply energizes another part of the coil and the process repeats until one side of the battery no longer connects to the wire.
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