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incandescent , compact fluorescent
compact floresent
A compact fluorescent lamp (CFL), also called compact fluorescent light, energy-saving light, and compact fluorescent tube, is a fluorescent lamp designed to replace an incandescent lamp; some types fit into light fixtures formerly used for incandescent lamps. The lamps use a tube which is curved or folded to fit into the space of an incandescent bulb, and a compact electronic ballast in the base of the lamp.
no
Yes, the compact fluorescent light produce more light as compared to the same wattage of incandescent light, it is scientifically proved.
Incandescent produces about 10 lumens of light per watt of electricity Halogen produces about 13 lumens per watt Fluorescent and CFL produce about 50 lumens per watt So Fluorescent is the most efficient.
Relatively cool, yes, especially if you compare them with incandescent lightbulbs.
Yes, if it fits the socket and the light fitting, or lamp fixture, with its cover or shade. You will not be able to dim the compact fluorescent as you did the incandescent (unless you have a really fancy dimmer).
An incandescent bulb gives off more heat than a fluorescent bulb.
None or a negligible effect. Similarly to incandescent or fluorescent tubes, they light up your work area so you can see what you're doing at the computer.
An Energy Star qualified compact fluorescent light bulb can save you around $30 over it's lifetime, paying for its self in about 6 months.
Compact fluorescent lights are used in place of incandescent lights, but use one-fifth or one-third of the electrical power. They also last about ten times longer, making them very efficient for lighting rooms.