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

What must be the minimum tensile strength of the cable (the minimum amount of tension it can sustain) if it is not to snap?
Repel -ent is spelled repellent. true false
Henry ford produced a more afforble car primarily because his company was what
“When I Have Fears” ends with an expression of the speaker’s
Jennifer is a 48-year-old woman who has had a heart attack. Her doctor admits her to a unit in the hospital that is specific to her condition. What abbreviation
One of the first steps toward self-government in the 13 colonies was an agreement by the pilgrims that they would make and obey their own laws. what was the nam
Spirited Away, Astro Boy, and Princess Mononoke are classic examples of what artistic form?        A. Digital video   B. Pixar   C. Hokusai   D. Anime
How did the united states and britain settle their dispute over oregon?
The owner of a shop wants to mix cashews and pecans to make 8 kg of mixed nuts worth $7.25 per kg. If the price of cashews is $8.00 per kg and the price of peca
Which of the following artists or groups is not associated with glam rock?