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 ( 32+ )
Otras preguntas
A conflict is a struggle between ______ forces in a story.
To complete a project, 200,000 Joules of work is needed. The time taken to complete the project is 20 seconds. How much power is needed?
What is a possible consequence of increased ocean temperatures due to global warming? Mark all that apply. Coral reef bleaching Increased rates of mercury poiso
Solve for c. –4c − 9 = –3c c =
What are the three parts of observation ?
Kajal holds a ruler in some wavy water. The depth of the water t seconds after she starts measuring it, in cm, is given by D(t)=50−23sin(π(t+0.23)) . After she
why people use so much water than they used to?PLEASE HELP ME
A square pyramid has a base area of 25 square inches, and a volume of 150 cubic inches. What is the height of the pyramid in inches?
A deck of cards contains 52 different cards. The probability of drawing a queen of hearts is 1/52. What type of probability is this ? A. Theoretical probability
An electric motor pumps water into a pool at a rate of 500 liters per hour. After a tune up, its rate increases by x liters per hour. If the motor now takes 3 h
ACCESS MORE