The capacitor bank is made of five mica plates of thickness d = 0.1 mm and area S = 100 cm2 each and staniol plates. How many staniol plates were needed when connecting the battery capacitors in parallel? Draw a connection diagram. Find the capacity of the capacitor bank and the energy reserve of this battery if it is connected to a DC network with a voltage of U = 220 V. The relative dielectric constant of mica is e = 7.

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