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2
votes
2answers
204 views

A christmas light bulb question

This may look like a homework, but it's not. Actually it is related to Christmas. My Chrismas lights in front of the house are constructed from segments. Each segment consists of 16 incandescent light ...
17
votes
2answers
927 views

Why are lightbulbs considered resistive load?

A lightbulb (a plain old incandescent lamp) is typically brought up as an example of resistive load. Yet the filament is actually made of several feet of very thin wire cleverly coiled to form a ...
-4
votes
2answers
342 views

How To Calculate Fluorescent To Incandescent Wattage? [closed]

This is simple mathematical question but I cannot figure it out: Compact fluorescent lamps consume 75% less wattage and still deliver equal power of incandescent lamp. If 15W compact fluorescent lamp ...
4
votes
3answers
486 views

LED lighting with incandescent spectrum?

Is there any reason why they don't produce LED lights with a spectrum closely matching that of an incandescent bulb. Incandescent bulbs produce a nice warm light, while LEDs (even warm white ones) ...