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Electric-magnets or electromagnets as they are otherwise called- function on a very basic principle- that is by running some electric current through a piece of wire so that you create a magnetic field. Based on this simple idea all kinds of things like solenoids, motors, heads for tape drives and hard disks and many other things can be created.
An electric-magnet basically starts with some source of power or a battery and a wire. TH e battery basically produces electrons. There are two ends in the battery- one will be marked plus and the other end is marked minus. The electrons will collect at the negative end and they can be permitted to flow to the positive end. You can do this with the help of a wire. The electrons will flow as soon as possible. Normally the battery will drain pretty fast. Usually a load is connected to the middle to help the electrons do some work. TH load can be a radio, light bulb or whatever. Ultimately a magnetic field is created in the wire. This field is the basis of an electric-magnet.
An electric-magnet basically starts with some source of power or a battery and a wire. TH e battery basically produces electrons. There are two ends in the battery- one will be marked plus and the other end is marked minus. The electrons will collect at the negative end and they can be permitted to flow to the positive end. You can do this with the help of a wire. The electrons will flow as soon as possible. Normally the battery will drain pretty fast. Usually a load is connected to the middle to help the electrons do some work. TH load can be a radio, light bulb or whatever. Ultimately a magnetic field is created in the wire. This field is the basis of an electric-magnet.
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