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light can be altered by using different types of gas and varying the pressure in the bulb. Gases such as neon, argon, krypton, Mercury, and xenon allow electric-discharge lamps to be used in a variety of applications

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14y ago

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Halogen bulbs are filled with iodine or bromine gas, which prolongs the filament's life by reducing tungsten evaporation. A standard halogen bulb lasts about 3,000 hours at 25 lumens-per-watt

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14y ago
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since with passing of time due to heat resitance of incandescent lamps varies so the plot of v versus i will not be linear it willl nonlinear

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13y ago
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Q: What are the characteristics of electric-discharge lamps?
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