which element is used to make filament of electric bulb and why
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tungsten
It contains a thin coil of wire called the filament. This heats up when an electric current passes through it and produces light as a result. Incandescent light bulbs have filaments which are made mainly from the element tungsten, the metal element used for the filaments in incandescent light bulbs.
It contains a thin coil of wire called the filament. This heats up when an electric current passes through it and produces light as a result. Incandescent light bulbs have filaments which are made mainly from the element tungsten, the metal element used for the filaments in incandescent light bulbs.
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Hey mate!
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Presently, tungsten alloyed with potassium, silicon, and aluminium oxide is used in most incandescent lamps. Before 1910, other materials preceded its use, such as non-alloy tungsten, carbon, graphite, tantalum, platinum, and osmium. Incandescent lamps currently being developed may have filaments coated with a specialized photonic crystalline material that will recycle otherwise-wasted infrared energy into visible light, increasing their efficiency beyond that of other lamps using fluorescent and light-emitting diode technology.
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Here's your answer!
Presently, tungsten alloyed with potassium, silicon, and aluminium oxide is used in most incandescent lamps. Before 1910, other materials preceded its use, such as non-alloy tungsten, carbon, graphite, tantalum, platinum, and osmium. Incandescent lamps currently being developed may have filaments coated with a specialized photonic crystalline material that will recycle otherwise-wasted infrared energy into visible light, increasing their efficiency beyond that of other lamps using fluorescent and light-emitting diode technology.
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indhubalak1981:
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