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What are the characteristics of incandescent lamp?
incandescent lamp, any of various devices that produce light by heating a suitable material to a high temperature. When any solid or gas is heated, commonly by combustion or resistance to an electric current, it gives off light of a colour (spectral balance) characteristic of the material.
What are the different types of incandescent lamp?
Incandescent light bulbs come in three flavors: the General Service, the Reflectorized, and the Halogen. The three basic shapes of the general service (A), or basic incandescent, are the General, the Globe, and the Decorative.
What makes the incandescent lamp different from other lamps?
Incandescent bulbs are manufactured in a wide range of sizes, light output, and voltage ratings, from 1.5 volts to about 300 volts. Incandescent bulbs are much less efficient than other types of electric lighting, converting less than 5% of the energy they use into visible light. The remaining energy is lost as heat.
How would you describe an incandescent light bulb?
The incandescent light bulb or lamp is a source of electric light that works by incandescence, which is the emission of light caused by heating the filament. They are made in an extremely wide range of sizes, wattages, and voltages.
What is the importance of incandescent lamp?
The electric light bulb has been called the most important invention since man-made fire. The light bulb helped to establish social order after sundown, extended the workday well into the night, and allowed us to navigate and travel safely in the dark. Without the light bulb, there would be no nightlife.
What is incandescent lamps used for?
Incandescent lamps are commonly used in desk lamps, table lamps, hallway lighting, closets, accent lighting, and chandeliers. They provide good color rendering and, in fact, serve as the color standard by which all other lamps are measured. Incandescent lamps are easily dimmable.
What is the working principle of incandescent lamp?
The operating principle of the incandescent lamp is extremely simple. An electric current is passed through a thin wire of comparatively high resistance so as to heat this to incandescence. The wire is usually heated to a temperature of between 2700 K and 2800 K, at which temperature it emits warm-white light.
Can you explain the construction behind incandescent lamp?
Construction of the incandescent lamp: The filament is made up of tungsten material and it contains two support wires that will provide support to the filament. The support wire is made up of molybdenum. The outer envelope of the lamp is made up of glass and the bulb is fully closed and contains no air.