Задача id9628

The plates of a flat capacitor are connected to a constant voltage source U = 700 V. Find the strength of the current that will flow through the wires when one plate moves along the other at a speed v = 7 m/s. The capacitor plates are square with an area S = 400 cm2. The distance between the plates d = 0.2 cm remains constant during movement. There is air between the plates (ε = 1).

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