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An air-filled parallel-plate capacitor is constructed with a plate area of 0.40 m2 and a plate separation of 0.10 mm. It is then charged to a potential difference of 12 V? (ε0 = 8.85 × 10-12 C2/N ∙ m2)
(a) How much charge is stored on each of its plates?
(b) How much energy is stored in it?
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