What is the energy stored in a capacitor of capacitance \( C = 10 \, \mu\text{F} \) when a potential difference of \( V = 20 \, \text{V} \) is applied across it?
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Remember: \( \text{Energy} = \frac{1}{2} C V^2 \) for capacitors. Ensure the units of capacitance and voltage are consistent.