ajarchiyeva ajarchiyeva

01-03-2021
Physics

contestada

The Sankey diagram shows the energy transfers in an LED light bulb.

(look at the attached photo)

The Sankey diagram shows the energy transfers in an LED light bulb look at the attached photo class=

Respuesta :

misky77 misky77

01-03-2021

Answer:

B)20%

Explanation:

only the 2j of energy is getting used out of 10j.all other 8j are wasted as heat.

therefore the efficiency=2/10*100=20

Answer Link

Otras preguntas

how do you work out 45.3x6 using grid method

there is $100 in my piggy bank. My friend and I went to the mall and i spent $20. How much money do i have now?

the cards in a card catalog are filed in what manner? A: by publication B: by subject C: alphabetically D: by call number

A bottle of fruit juice is 800 milliliters. How many liters of fruit juice are in 120 bottles?

Which group of organisms is a population? a group of skunks living in the same forest all sheep in Australia different kinds of butterfli

how is aluminium foil able to reduce heat loss through the walls of a house

please help Evaluate the expression when r = 8.2 and s = –3.7. r – 2s A. –22.94 B. 0.8 C. 4.5 D. 15.6

PLEASE HELP IS THE OLD YELLER !!!!!!!!!!!! When does Mrs. Coates first demonstrate that she recognizes Travis is taking on his father's role? A. when Travis go

If a 21 ounce box of cereal costa $2.94,what is the unit price.

two sisters, jenny and penny, play on the same basketball team. last season they scored a combined total of 458 points. jenny scored 192 of the points. write an