An LC oscillator is an electronic circuit that generates oscillating signals using an inductor (L) and a capacitor (C). The inductor stores energy in a magnetic field, while the capacitor stores energy in an electric field. Together, they create a resonant circuit that can produce continuous waveforms, typically in the form of sine or square waves. These oscillators are widely used in various applications, including radio transmitters, signal generators, and clocks. The frequency of the oscillation depends on the values of the inductor and capacitor, allowing for precise control over the output signal.