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Lamp Filaments

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chichi's version from 2016-11-14 20:50

Section 1

Question Answer
Sealed beem headlightneed to replace whole structure
Semi-sealed headlight (composite)can replace bulb
heats filament4000C (Produces white light)
Thicker filament---->more resistance
more resistance---->brighter light
Xenon high intensity discharge lampssome lights do not have filaments
tungstenwhat filament is made of
easily oxidizes at high temperaturetungsten
Tungsten light bulbmust be housed in a vaccum with no air
halogenbrighter light
boils offtungsten light bulb
memorize

Section 2

Question Answer
evenly spaced coils; darkening of glass enclosureTungsten
stretched or distorted coils; tapered ends; blinkershot shock
evenly spaced filaments; brittle ends (sharp, jagged)cold shock
dual filamentsproximity heating
memorize