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A bank of two series-connected capacitor...

A bank of two series-connected capacitors of capacitance `C` each is charged to a voltage `U` and is connected to a coil of inductance `L` so that an oscillatory circuit (Fig. 114) is formed at the initial moment. After a time `tau`, a breakdown occurs in one of the capacitors, and the resistance between its plates becomes zero.
Determine the amplitude `q_(0)` of charge oscillations on the undamaged capacitor.

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