Consider a parallel plate capacitor of area A (of each plate) and separation d between the plates. If E is the…

Question

Consider a parallel plate capacitor of area $A$ (of each plate) and separation $d$ between the plates. If $E$ is the electric field and $\epsilon_0$ is the permittivity of free space between the plates, then the potential energy stored in the capacitor is:

A
$\frac{1}{2} \epsilon_0 E^2 A d$
B
$\frac{3}{4} \epsilon_0 E^2 A d$
C
$\frac{1}{4} \epsilon_0 E^2 A d$
D
$\epsilon_0 E^2 A d$

Accepted Answer

A. $$\frac{1}{2} \epsilon_0 E^2 A d$$

Answer

B. $$\frac{3}{4} \epsilon_0 E^2 A d$$

Answer

C. $$\frac{1}{4} \epsilon_0 E^2 A d$$

Answer

D. $$\epsilon_0 E^2 A d$$

Answer & step-by-step solution

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