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5.2: Плоский паралельний конденсатор
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У нас є конденсатор, обкладинками якого є кожна з площі $A$ , separation $d$ , and the medium between the plates has permittivity $\epsilon$ . It is connected to a battery of EMF $V$ , so the poten...У нас є конденсатор, обкладинками якого є кожна з площі $A$ , separation $d$ , and the medium between the plates has permittivity $\epsilon$ . It is connected to a battery of EMF $V$ , so the potential difference across the plates is $V$ . The electric field between the plates is $E = V/d$ , and therefore $D = \epsilon V/d$ . The total $D$ -flux arising from the positive plate is $DA$ , and, by Gauss’s law, this must equal $Q$ , the charge on the plate.