Find identical capacitor plates, each of area A, are arranged such that adjacent plates are at a distance ′d′ apart, the plates are connected to a source of emf V as shown in figure. The charge on plate 1 is ____________ and that on plate 4 is ____________.
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Solution
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We have capacitance, C=εoAd and C=QV ⟹Q=CV Hence, charge on Plate 1 is C=ϵoAdV and charge on Plate 4 is C=−2ϵoAdV
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