Efficiency of Light Bulbs
For more details on this topic, see Luminous efficacy.- Incandescent light bulb: about 2%.
- Compact fluorescent lamp: about 7%-9%.
- White light-emitting diode (LED) about 4%-18%.
Read more about this topic: Electrical Efficiency
Famous quotes containing the words efficiency, light and/or bulbs:
“I’ll take fifty percent efficiency to get one hundred percent loyalty.”
—Samuel Goldwyn (1882–1974)
“Yes; as the music changes,
Like a prismatic glass,
It takes the light and ranges
Through all the moods that pass;”
—Alfred Noyes (1880–1958)
“The wide wonder of Broadway is disconsolate in the daytime; but gaudily glorious at night, with a milling crowd filling sidewalk and roadway, silent, going up, going down, between upstanding banks of brilliant lights, each building braided and embossed with glowing, many-coloured bulbs of man-rayed luminance. A glowing valley of the shadow of life. The strolling crowd went slowly by through the kinematically divine thoroughfare of New York.”
—Sean O’Casey (1884–1964)