Two parallel plate vacuum capacitors have areas `A_1` and `A_2` and equal plate spacing `d`. Show that when the capacitors are connected in parallel, the equivalent capacitance is the same as for a single capacitor with plate area `A_1+A_2` and spacing `d`.
Text Solution
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`C=C_1+C_2`(in parallel) `:.(epsilon_A)/d=(epsilonA_1)/d=(epsilon_0A_2)/d` or `A=A_1+A_2`
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