Tesla Coil

Published by Rahul Aggrawal on

In his many innovations, Nikola Tesla always dreamed of inventing a device to supply electricity around the world without wires. He came closer to complete his dream when his experiments with electricity led to the discovery of the Tesla coil.

Tesla coil

The first system that could deliver electricity in a wireless way, Tesla Coil was actually a revolutionary invention. Early radio antennas and telegraphy used invention, but the variety of coils can do things that are straightforward to cool – like electric bolt shoots, sending electrical currents through the body and creating electron winds.

Tesla developed the coil in 1891, earlier usual Iron-core transformers were used to power things to all electronic circuits. These traditional transformers cannot withstand high frequency and high voltage, which tend to relax in the invention of Tesla.

The concept behind the coil is actually quite simple and uses electromagnetic force and resonance. Employing copper wire and glass bottles, An amateur electrician can produce Tesla coils.

How Tesla Coil made

A tesla coil has two parts: one primary coil and secondary coil, each with its capacitor. (Capacitors store electrical energy like batteries.) Two coils and capacitors are connected by a spark gap – a difference in air between two electrodes that generates electric spark. The entire system bending for an external source a transformer powers. Essentially, Tesla coils are two open circuit circuits connected to a spark gap.

Tesla coil requires a high-voltage power source. A regular power source fed through a transformer can produce a current with the necessary electricity (at least thousands of volts).

In this situation, a transformer can change the main power low voltage to high voltage.

The power source is tilted up to the primary coil. The capacitor of the primary coil acts like a sponge and absorbs the charge. The primary coil itself should be able to withstand a massive surge of charge and current on a large scale, so the coil is usually made of copper, which is a good conductor of electricity.

After all, the capacitor makes so much charge that the spark breaks the air resistance in the gap. Then, like a soaked sponge squeezing, flows out of the current horizontal from the current capacitor and creates a magnetic field.

wireless electricity tesla coil

How Tesla Coil Work

The heavy amount of energy quickly demolishes the magnetic field and produces an electric current in the secondary coil. The voltage spinning between the two coils creates a spark in the spark gap.

Energy slips several hundred times per second between two coils and produces in the secondary coil and capacitor. After all, the charge in the secondary capacitor becomes so much that it becomes free in a magnificent explosion of electric current

As a result, high frequency voltage can illuminate the fluorescent bulb away from several feet with electrical connection.

In a fully designed Tesla coil, when the secondary coil reaches its maximum charge, then the entire process should start again and the device should become self-sufficient. In practice, though, it does not happen.

Hot spots in the spark gap take away some electricity away from the secondary coil and return to the gap, So finally Tesla Coil will be out of energy. This is the reason that the coil must be hooked to the outside power supply.

Learn how to make a mini Tesla coil

The principle behind Tesla Coil is to get an event named Resonance. This occurs when the primary coil shoots the current in the secondary coil at the right time to maximize the energy transferred in the secondary coil. Think of it as a time when a person has to push the swing so that it can be as high as possible.

Installing a Tesla coil with an adjustable rotary spark gap gives the operator more control over the voltage generated. It is in such a way that the coils can make the Crazy Lightning display and can even be set to play music at the time of current bursts.

Although Tesla Coil does not have any more practical applications anymore, Tesla’s invention has revolutionized the way in understanding and using the power. Radio and television still use variations of Tesla coils today.


Rahul Aggrawal

I am a teacher and a theoretical physicist. Physics gives me pleasure and teaching physics gives me stable happiness. For More info visit www.rahulaggrawalphysics.blogspot.com

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