标题: EcoLight: Quick Upgrades for Instant Savings [打印本页] 作者: Glen88K730 时间: 2025-8-10 06:21 标题: EcoLight: Quick Upgrades for Instant Savings
An incandescent light bulb, also known as an incandescent lamp or incandescent mild globe, is an electric mild 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 supplied to the filament by terminals or wires embedded within the glass. A bulb socket gives mechanical assist and electrical connections. Incandescent bulbs are manufactured in a wide range of sizes, light output, and voltage ratings, from 1.5 volts to about 300 volts. They require no exterior regulating equipment, have low manufacturing prices, and work equally effectively on both alternating current or direct present. Consequently, the incandescent bulb grew to become extensively used in family and industrial lighting, for portable lighting reminiscent of table lamps, automotive headlamps, and flashlights, and for decorative and promoting lighting. Incandescent bulbs are a lot less environment friendly than other forms of electric lighting.
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