The primary use of the electromagnetic coils which are otherwise referred to as magnetic coils is to make inductance in some circuit. The construction is simple and one could see that the main thing is the electromagnetic cire. This is formed by wrapping coils of conducting material around a cire. One could use a tap to alter the value.
Of the many electric devices that use the coil the transformer is perhaps the best known. These have an input coil and an output coil. The number of turns in the coil and the flow of the current determine the type of transformer it is. In this the energy is moved from one coil to the other without any movement and this is done by inductance.
Motors are the next biggest things that use the power of electricity to generate mechanical energy. This kind of conversion creates the space for the appliances like the electric fan and the water-pump. In spray guns the paint is distributed as a jet and used as a brush. The motor is used to pump any liquid material.
The generator is an electric device that is used by man. The working principles of a generator and the motor are exactly opposed to each other. In these generators electric power is produced by converting mechanical energy. Hydroelectric power is thus produced. Wind power and energy from waves are green energy resources since they are non-polluting, and they are renewable.
One could easily make the electromagnet. All that one requires is the metal core and the windings that are wound round the core. The iron cores could be something large like an iron bar or something small like an iron nail. If one does not use any metal but rather uses air for constructing the core, the electromagnet will be weak. Some applications use only a weak magnet and for those who want a strong one, they should choose a nail or an iron piece.
Now turn the single stranded wire round the bar so that all but the ends of the conductor are coiled up around the cire. By making them more closely packed you can get a strong magnet. It is advisable to tape or use adhesive to stick these to the cire. Strip the ends of the wire so that the bare conductor is seen.
Attach the ends to the battery source and watch how the metal piece will attract nails and iron filings. You may also hide the electromagnet behind the piece of paper and move it to make it appear as if something on the other side is moving on its own. This magic trick will make you popular among your friends. Also be sure to use insulated or enameled wire only.
Magnetic coils thus are really the most significant thing in our lives Mtoday. More than half of the electric devices use these to run the devices. One has seen how merely changing the straight wire to a round one has given it the strength to power an electromagnet. Living standards and comfort factor of man has improved because of these wonderful innovations. It is really something we ought to be grateful for.
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Author: Marcy BeckerThis author has published 2 articles so far.