anthonymcnulty3975 anthonymcnulty3975
  • 03-08-2018
  • Physics
contestada

When a 4-μf capacitor has a potential drop of 20 v across its plates, how much electric potential energy is stored in this capacitor?

Respuesta :

Pitymys Pitymys
  • 12-08-2018

Thew energy stored in a capacitor of capacitance [tex] C [/tex] and voltage between the plates [tex] V [/tex] is

[tex] E=\frac{1}{2} CV^2[/tex].

Substituting numerical value

[tex] E=\frac{1}{2}(4*10^{-6}) (20)^2\\
E=800\; \mu J [/tex]

Answer Link

Otras preguntas

Help I need you right nowwwwwwwwwwww Dan bought a bag of skittles. 1/2 of the skittles in his bag were red and 2/8 of the skittles in his bag were blue. What fr
Explain what you think would happen to life on Earth if the Sun burned out? What could humans do to survive?
i = 53 cm, ∠I=120° and ∠J=30°. Find the length of j, to the nearest 10th of a centimeter.
Name one human, one economic, and one emotional cost of the war.
Help ASAP I’ll mark you as brainlister
Multiple Choice.. A common ancestor moved to an island. After some time, Organism A evolved into a new species. Sometime later, Organism B evolved from the com
Which statement is true about the total assets and the total liabilities? O The total of the assets and the liabilities are the same. O The total of the assets
You are looking at the results of a performance task you had students do to show mastery of their learning about the Civil War. Here is a table of how your stud
who knows a talking app
Uh! What's good, Korea? You know I've been a boss ‍for my whole career‍ I'm 'bout to Jet in the Lear And put more than my hands in the air Hands in the air, pu