$A$ parallel plate capacitor has a uniform electric field '$E$' in the space between the plates. If the distance between the plates is '$d$' and the area of each plate is '$A$', what is the energy stored in the capacitor?
- A$\frac{1}{2}\epsilon_0 E^2$
- B$\epsilon_0 EAd$
- C$\frac{1}{2}\epsilon_0 E^2 Ad$
- D$\frac{E^2 Ad}{\epsilon_0}$
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