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Electricity and Magnetism Level 3

An air-filled parallel-plate capacitor is to be constructed which can store 12 μ C 12 \; \mu \text{C} of charge when operated at 1200 V 1200 \text{ V} . What can be the minimum plate area of the capacitor?

The dielectric strength of air is 3 × 1 0 6 Vm − 1 3\times10^6 \text{ Vm}^{-1} .

0.20 m 2 0.20 \text{ m}^2 0.30 m 2 0.30 \text{ m}^2 0.45 m 2 0.45 \text{ m}^2 0.50 m 2 0.50 \text{ m}^2

Deepanshu Dhruw by Deepanshu Dhruw , 21, India

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