24-01-2022
Physics

contestada

The lamp has an efficiency of 20%

Explain what this means

Respuesta :

nicolecorre nicolecorre

24-01-2022

Answer:

It's not very efficient

Explanation:

For instance, if there is 100 Watts going into the lamp, 80 Watts will be wasted (heat most likely) and only 20 Watts will be used to actually provide light

Answer Link

Otras preguntas

percent of change: $25;300% increase

QUICK PLEASE HELP! What do sound waves, light waves, and ocean waves all have in common?

Which device, invented by James Watt, powered all kinds of machines in the Industrial Revolution? A. flying shuttle B. water frame C. spinning jenny D. steam en

Identify which table shows a direct variation. A. Table 1 only B. Table 2 only C. both tables D. neither table

Which description of Adam Smith is accurate? A. author of Das Kapital and founder of communism B. author of The Wealth of Nations and "father of modern econo

Founded in 1967, ASEAN did little to foster economic cooperation until _______ proposed a free-trade area in 1991

a tsunami can occur when there is vertical movement at a fault under...?

A cube and the net for the cube are shown. What is the surface area of this cube?A.30 cm² B.70 cm² C.125 cm² D.150 cm²

Which of the following is transported by the blood? A. Gametes B. Glycogen C. Heat D. Starch

Like the Maya, the people of Teotihuacan were mainly farmers and