What physical phenomenon underlies the operation of the oscillatory circuit? Describe the energy transformations that occur during its operation.
The phenomenon of the electromotive force of self-induction. With electromagnetic oscillations in the oscillatory circuit, periodic transformations of energy occur: the energy of the electric field in the capacitor is converted into the energy of the magnetic field in the coil, and then the energy of the magnetic field in the coil is again converted into energy of the electric field in the capacitor.
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