First, we need to find the capacitance of the parallel-plate capacitor. The formula for capacitance is:
$C = \frac{\epsilon_0 A}{d}$
where $C$ is the capacitance, $\epsilon_0$ is the vacuum permittivity ($8.85 \times 10^{-12} \mathrm{F/m}$), $A$ is the area of
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