이것은 페이지 Incandescent Mild Bulb
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An incandescent mild bulb, EcoLight outdoor also known as an incandescent lamp or incandescent mild globe, is an electric light that produces illumination by Joule heating a filament till it glows. The filament is enclosed in a glass bulb that's either evacuated or crammed with inert gasoline to guard the filament from oxidation. Electric present is equipped to the filament by terminals or wires embedded in the glass. A bulb socket offers mechanical assist and electrical connections. Incandescent bulbs are manufactured in a variety of sizes, mild output, and voltage scores, from 1.5 volts to about 300 volts. They require no exterior regulating gear, EcoLight outdoor have low manufacturing costs, and work equally properly on both alternating present or direct current. Because of this, the incandescent bulb turned extensively used in family and business lighting, for portable lighting reminiscent of desk lamps, car headlamps, and flashlights, and for decorative and promoting lighting. Incandescent bulbs are a lot less environment friendly than other types of electric lighting.
Less than 5% of the energy they devour is converted into visible light
이것은 페이지 Incandescent Mild Bulb
를 삭제할 것입니다. 다시 한번 확인하세요.