joehalford
joehalford joehalford
  • 26-05-2017
  • Physics
contestada

If a solar panel phone charger has a total energy input of 6.25W, and an efficiency of 40% (2.5W), is only 2.5J of energy going to the phone a second?

Respuesta :

kkeaeman
kkeaeman kkeaeman
  • 27-05-2017
n = POTu/POTr
0,4 = POTu/6,25
Pot = 2,5 W

The question is true

Answer Link

Otras preguntas

How much of Georgia does the Piedmont Region take up?
When properly applied to a dog, the loose end of the training collar is A. out to the side and directly under the dog's neck. B. out to the side at th
Who is legally responsible for the sale of alcohol to a minor?
at the beginning of a research project you should allow your questions to branch in many directions ( TRUE or FALSE) ?
15 - 6.108 equals what???
Witch one is greater
What value is 10 times greater than 0.581
The Verrazano narrows bridge in New York City is 4.26 thousand feet long and is the seventh longest suspension bridge in the world.There are 3 feet in a yard.Ho
How is the scientific use of the term digital different from the common use
I don't get this help ?