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

May someone please review this for me to see if my grammar is good please, I’ll post a part 2, thank you so much!
1/2 ÷ 2/25 what improper fraction
which of these rocks are formed by great pressure?
1. Based on the corrected trend lines, which plant grew at the fastest rate? 2. Why is it important to set the y-intercept to zero in trend lines? 3. Using the
Why do we need to pay extra attention to details in short stories?
analyze the situation of HDI among the SAARC countries and some developed countries .​
how can such a small tank contain enough helium to fill so many balloons
HELP PLEASE!!! DUE TODAY
Plz help im begging A light wave traveling through medium 1 strikes a boundary with medium 2 at a 45° angle. The light then enters the second medium and refract
-3[10-(3-8)+4-2²-3(4-9)]​