Think of electricity as pushing electrons. The generator spins a big magnet, which pushes the electrons in a coil of wire. Those electrons push the electrons in power lines, which push those of the wires in your walls. Those electrons can then be pushed through a wire surrounding a magnet, aka an electric motor, or can be used to vibrate a heating element, like what’s in your toaster. Light bulbs work by using those electrons to vibrate gasses in such a way that they emit light.
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