How does an LC oscillator work?

LC oscillator circuits are mainly used in radios and televisions. An LC oscillator makes use of a tank circuit that contains a capacitor ‘C’ and an inductor ‘L.’ When we apply a voltage to the LC circuit, the capacitor gets charged and when the battery supply is cut off the stored energy from the capacitor gets discharged to the inductor. The inductor with this energy starts building a magnetic field around it until the capacitor is completely discharged. When the capacitor is fully discharged, the magnetic field around inductor collapses and induces a voltage and charge the capacitor with opposite polarity and the cycle repeats. This charge and discharge between the capacitor and the inductor produce oscillations.

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