wiggy123
wiggy123
17-12-2014
Physics
contestada
how efficient is an incandescent light bulb?
Respuesta :
AL2006
AL2006
17-12-2014
That depends on what you want to use them for.
As sources of light, they are somewhere around 15% - 20% efficient.
As heaters, they are somewhere around 80% - 85% efficient.
Answer Link
VER TODAS LAS RESPUESTAS ( 61+ )
Otras preguntas
Change the verb into its noun form. Be sure to type the complete word, not just the suffix. ally
Why is it important to evaluate works of cultural analysis?
According to the AAA Foundation for Traffic Safety's American Driving Survey, U.S. drivers spend. on average, 51 minutes behind the wheel each day. A researcher
A computer technician notes that 40% of computers fail because of the hard drive. If he repairs many computers a day, what is the probability that the first com
How many sides do 4 pentagons and 3 nonagons have in all?
hello friends how are you a question how to learn English my language is the Spanish but not spick much Englishand i want to learn English​
what does parallesim mean
someone help me answer this
What is the process of old crust sinking back into a mantle?
Calculate the annual cash dividends required to be paid for each of the following preferred stock issues: Required: a. $3.30 cumulative preferred, no par value;
