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PowerPedia:Coil

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A coil is a series of There was an error working with the wiki: Code[17]s.

General applications

A coil is made of materials, usually rigid, which can be fashioned into a There was an error working with the wiki: Code[2] shape. Flexible materials like wire, rope, hose, or cable can also be coiled into empty loops, or wound around a central There was an error working with the wiki: Code[18] or There was an error working with the wiki: Code[19].

Some common applications of coils include:

A There was an error working with the wiki: Code[3] is the most common type of spring.

A set of stairs fashioned in a coil shape, which are called spiral staircases.

A There was an error working with the wiki: Code[20] is a coil-shaped toy.

There was an error working with the wiki: Code[21]s are used in There was an error working with the wiki: Code[22] and other There was an error working with the wiki: Code[23]s.

A There was an error working with the wiki: Code[24] coil is an element in a There was an error working with the wiki: Code[25].

A There was an error working with the wiki: Code[4], is a method for carrying a rope.

Electromagnetic

Image:Transformers.png

In There was an error working with the wiki: Code[5] There was an error working with the wiki: Code[6] and secure them in place. A completed coil assembly with taps etc. is often called a winding. A Transformer is an electromagnetic device that has a primary winding and a secondary winding that transfers energy from one electrical circuit to another by magnetic coupling without moving parts. The term tickler coil usually refers to a third coil placed in relation to a primary coil and secondary coil. A There was an error working with the wiki: Code[26] is a wiring feature found on some electrical transformers, inductors and coil pickups, all of which are sets of wire coils. The coil tap(s) are points in a wire coil where a conductive patch has been exposed (usually on a loop of wire that extends out of the main coil body). As self induction is larger for larger coil diameter the current in a thick wire tries to flow on the inside. The ideal use of copper is achieved by foils. Sometimes this means that a There was an error working with the wiki: Code[27] is a better alternative. Multilayer coils have the problem of interlayer There was an error working with the wiki: Code[28]. So when multiple layers are needed the shape needs to be racially changed to a short coil with many layers so that the voltage between consecutive layers is smaller (making them more spiral like).

Some common electromagnetic coils include:

A There was an error working with the wiki: Code[7] windings.

A There was an error working with the wiki: Code[29] is used in low field There was an error working with the wiki: Code[30].

A There was an error working with the wiki: Code[31] is set of transformer coils for transmission lines.

A There was an error working with the wiki: Code[32] is used in geomagnetic research.

A There was an error working with the wiki: Code[8] is used in the process of removing There was an error working with the wiki: Code[33]ism (magnetic There was an error working with the wiki: Code[34]) from an object.

A There was an error working with the wiki: Code[9] (or choking coil) is low-Electrical resistance There was an error working with the wiki: Code[35] used to block Alternating current while passing Direct current.

A There was an error working with the wiki: Code[36] is used in There was an error working with the wiki: Code[37]s.

A There was an error working with the wiki: Code[38] is a device for producing a region of nearly uniform Magnetic field.

A There was an error working with the wiki: Code[39] (or There was an error working with the wiki: Code[40]) is a single transformer that effectively has three windings.

An Induction coil (or There was an error working with the wiki: Code[41]) is an electrical device in common use as the There was an error working with the wiki: Code[42] (ignition coil or spark coil) of internal-combustion engines.

A There was an error working with the wiki: Code[43] is, in electronics, a coil (inductor) inserted in a circuit to increase its There was an error working with the wiki: Code[44]. Archaically called Pupin coils.

A There was an error working with the wiki: Code[45] is an There was an error working with the wiki: Code[46] that has several coils of wire connected in parallel.

A There was an error working with the wiki: Code[47] is a device for producing almost a constant magnetic field.

A There was an error working with the wiki: Code[48] is a There was an error working with the wiki: Code[49] coil.

The There was an error working with the wiki: Code[50]s are connected together in a polyphase system such as a generator or motor.

A relay coil is the copper winding part of a There was an error working with the wiki: Code[51] that produces a magnetic field that actuates the mechanism.

A There was an error working with the wiki: Code[52] is a voice-frequency transformer.

A There was an error working with the wiki: Code[53] is an electrical device for measuring alternating current.

A There was an error working with the wiki: Code[54] is a type of pickup for the There was an error working with the wiki: Code[55].

A There was an error working with the wiki: Code[56] is a mechanical device, based around a coil of wire, that converts energy into linear motion.

A Tesla coil is category of disruptive discharge coils, usually denoting a resonant transformer that generates very high voltages at radio frequencies.

A There was an error working with the wiki: Code[57] which is mounted to the moving cone of a There was an error working with the wiki: Code[58].

A There was an error working with the wiki: Code[59] is a type of cannon that uses a series of electromagnetic coils to accelerate a magnetic shell to very high velocities.

Further reading

Querfurth, William, "Coil winding a description of coil winding procedures, winding machines and associated equipment for the electronic industry" (2d ed.). Chicago, G. Stevens Mfg. Co., 1958.

Weymouth, F. Marten, "Drum armatures and commutators (theory and practice) : a complete treatise on the theory and construction of drum winding, and of commutators for closed-coil armatures, together with a full résumé of some of the principal points involved in their design and an exposition of armature reactions and sparking". London, "The Electrician" Printing and Publishing Co., 1893.

"Coil winding proceedings". International Coil Winding Association.

Chandler, R. H., "Coil coating review, 1970-76". Braintree, R. H. Chandler Ltd, 1977.

External articles

R. Clarke, "Producing wound components". Surrey.ac.uk, 2005 October 9.

Chemistry, biology and medicine

A There was an error working with the wiki: Code[10] is a tube of spiral form, used commonly to cool originating steam of the distillation and thus to condense them in liquid form. In the Chemistry, there are a few specific references to organic coils. During There was an error working with the wiki: Code[60], organic elements organize to form this structural pattern. Molecular self-assembly assembles the molecules, without guidance or management from an outside source, into these shapes.

Examples of these structural patterns include:

A There was an error working with the wiki: Code[61] is a There was an error working with the wiki: Code[62] found in many proteins.

The There was an error working with the wiki: Code[11] is a nucleic acid structure that contains the There was an error working with the wiki: Code[12] There was an error working with the wiki: Code[13] of all cellular forms of There was an error working with the wiki: Code[63] (and many There was an error working with the wiki: Code[64]es).

A There was an error working with the wiki: Code[65] is a There was an error working with the wiki: Code[66] conformation where the There was an error working with the wiki: Code[67]s are arranged at There was an error working with the wiki: Code[68].

The There was an error working with the wiki: Code[14] is a There was an error working with the wiki: Code[15] of There was an error working with the wiki: Code[16] There was an error working with the wiki: Code[69]s.

As an acronym, COIL denotes the There was an error working with the wiki: Code[70].

In medicine, the There was an error working with the wiki: Code[71] is a platinum coil commonly used in intracranial non-invasive surgery, for the occlusion of brain aneurysms.

In Ceramics (Fine Arts)

Coiling has been used to shape clay into useful beautiful vessels for many of thousands of years. It ranges for Africa to Greece and from China to New Mexico. They have used this method in a variety of ways. Coil is possible to build thick walled vessels, that may from earlier age or tall vessels. It lets you control the walls as you build them up and carefully let you build on top of the walls to make it look bigger and make the vessel bulge outward or narrow inward with with less damager of collapsing. There are many different ways you can buld stuff by using coil.

Coil Construction

#Squeezing the clay into a coil or rolling between your hands are two different was to make coils.This technique may be very diffcult to make smooth because of your unevenpressure from your hands and fingers.

#When rolling with your handds , use a smooth surface and by spreading your hands to apply even pressurenow gently roll the clay back in forth until your think it has the right amount of thichness.

#the roll should be a little thicker than a pencil or pen. now u can stack the coils on top of each other.

#now for strength force the clay together as hard as u can on the inside of the piece without messing the clay up. Use your fingers and scrape the top coil onto the coil underneath.

#While smoothing the inside of the piece hold you r other hand on the outside so you don’t damage what you have already done.

#If you want a top level, gently turn your piece over and lightly tap it on a smooth surface.

#Let it dry.

Slab pottery Construction-how to build it

#Large flat piece of clay are rolled out with a rolling pin. The slabs are cut for the base and walls and are attached together.

#Slabs work goes fast but lots of care must be given to make sure that the seams won’t crack, break or pull apart during the drying process.

External articles and references

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There was an error working with the wiki: Code[1], Wikipedia: The Free Encyclopedia. Wikimedia Foundation.

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