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

__________ in animal cells involves the pinching of the cell's __________ until the two newly formed cells separate.
In tge sentence " I would like to know the answer. The phrase to know the answer is a?
a rope of length 2/5 m is cut into 4 equal cords. What is the length of the cord?
Whats the least common multiple of 7, 6, 4, and 3?
each digit in a falling jumber is less than the digit on its less. what id the lesdt falling number greater than 98,642
The distance from point A(x, 1) to point B(0, 7) is equal to 10. Calculate the value of the abscissa x.​
The greenhouse effect and global warming; how are humans making this effect stronger? How do we use photosynthesis to counteract this effect?
In a Cartesian coordinate system, there is a homogenous magnetic field B=0.25 T which directs into the x- direction. A piece of straight conducting wire of leng
Actual distance = _ miles
Parallel lines r and s are intersected by a transversal line m. Label a pair of corresponding angle measures (6x +11) and (3y+8)°. The angle labeled (3y + 8)° i