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

The height h (in feet) above the water of a cliff diver is modeled by h=-16t^2+8t+80, where t is the time (in seconds). How long is the diver in the air?

of the four river valleys that supported major early civilizations, which one lost one of its major rivers

Solving formulas I=PRT solve for R

A cone and a cylinder have congruent height and bases. The volume of the cone is 18. What is the volume of the cylinder? Explain please and thank you!

5. During mitosis, two chromatids together form a... A. A single daughter cell B. Several spindle fibers C. A duplicated chromosome D. Two identical centromeres

Which enlightenment thinker fought for tolerance and reason and whose ideas of freedom of speech and religion were included in the us bill of rights and the fre

Which was a major source of conflict between the Ottoman and Safavid empires? A. Most inhabitants of one empire were Shi'a Muslims and most in the other empire

A proportional relationship is represented by the equation 2x = 18y. IF y = kx, where k is the constant of proportionality, find the value of k.

A square-shaped deck has an area of 289 ft2. What is the perimeter of the deck?

A drinking glass is shaped like a cylinder with a height of 5 in. and a diameter of 3 in. Maeva adds 25 spherical pieces of ice to the glass. The pieces of ice