Lighting Basics Part 5: Solid Source (LED) Technology
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Name (Do not use autofill):
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LED's are an omni directional light source while traditional lamps are a directional light source
True
False
For LEDs, cold starting is not a problem with temperatures as low as -40°F (-40°C)
True
False
What is the approved IES method for LED life ratings?
L50
L70
L100
Like fluorescents, LED's are affected by switching cycles
True
False
LED's are grown
True
False
LED's consists of
Filaments
Mercury
Electrons
What are the two layers in LED's
P-Doped
N-Doped
L-Doped
S-Doped
LED's typically have a high pump of what color
Red
Green
Blue
If a traditional light source is rated for 35,000 lumens the replacement LED lamp should also have 35,000 lumens
True
False
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