Compact Fluorescent Lamps (CFL) have very small dimensions and a curved glass tube. This makes it possible to provide them with a screw and screwed instead of normal bulbs in sockets. They are now also known as energy saving lamps.
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Compact Fluorescent Lamps (CFL)
Fluorescent lamps
Fluorescent lamps are now widely used because they have a much lower power consumption than equally bright incandescent lamps. They are available in light colors sunlight, cool white and warm white.
Fluorescent lamps Design and function
Fluorescent lamps are one of the gas discharge lamp. It consists of a glass tube, which with mercury vapor and an inert gas such as argon or krypton filled. The inside of the glass tube coated with phosphor. This converts the light generated in the operation of the ultraviolet light in a longer wavelength, ie, into visible light.
Incandescent lamps
The Incandescent lamps (light bulbs) is probably one of the most important discoveries ever! Without it we would have no electric lights. Thomas Alva Edison (1847-1931) intended to make light from an electric current. Edison experimented with various materials as filaments. If the thread is crossed by electric current, will to heat and begin to glow. Edison first tried it with the platinum. Then he burned some of the fibers and held it out so it gets more time to burn. He found that the filament will burn much longer if he brings them into a vacuum flask.
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