Discover a wealth of knowledge at Westonci.ca, where experts provide answers to your most pressing questions. Ask your questions and receive detailed answers from professionals with extensive experience in various fields. Join our platform to connect with experts ready to provide precise answers to your questions in different areas.

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=

Sagot :

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