2203

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Incandescent Lamp

The incandescent lamp is the most common type of lamp used for general everyday illumination. An incandescent lamp consists of a glass tube with a filament inside. The filament is an extremely thin wire usually made of tungsten, which has been heated to a point where it glows, and emits light. These lamps typically burn electrically and can produce a wide range of colors. The filament has to be heated very high to produce the light it emits.

Neon Lamp

A neon lamp is composed of either glass or acrylic tube, in which two electrodes are connected to a high voltage electrical current. The electrodes are enclosed by an inert gas such as xenon, neon or argon, which produces the attractive blue, pink, orange, green and yellow colored glow. Neon lamps are often seen in advertising signs such as “OPEN”, “ CLOSED”, “ SALE” and “NEON”. They are also used in electronic applications, where bright lights are needed in a small area. A neon lamp consists of a sealed tube that consists of one or more glass electrodes and an inert, rare gas or a couple of metals like sodium and argon. When the Neon Lamp is turned on, electrons are accelerated by an electrical field inside the tube and collide with the inert gas, creating a “neon-like” phospherous glow.

2203 Application Field and Working Principle

Incandescent Lamp

The incandescent lamp is suitable for applications such as general lighting, task lighting, emergency lighting and accent lighting. It is a type of lamps that is easy to install and relatively inexpensive to operate. The working principle of the incandescent lamp is that when the lamp is turned on, electric current runs through the filament and heats it. When the filament reaches a high enough temperature, it emits visible light. This happens because when the filament is heated, electrons move faster and they emit photons, which are particles of light. This principle is also known as thermal radiation.

Neon Lamp

Neon lamps are used for signs and advertising boards in commercial establishments. They are also used in electronic applications that require miniature and bright lights. The neon lamp works on a different principle to that of the incandescent lamp. When the neon lamp is turned on, electrons are accelerated by an electrical field inside the tube and collide with the inert gas, creating the visible colored glow. This is known as gas-discharge lamps. The duration and intensity of the light produced depends on the type and amount of gas present in the tube. Neon lamps require a high voltage to operate, usually between 1000 and 10000 volts.

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