By hvhipot 
What does LC resonance mean?
In physics, LC circuit is also known as tuning circuit or resonant circuit or resonant circuit. LC circuits consist of inductors and capacitors configured in series or parallel. LC circuits are often used as bandpass filters or as signal generators. Usually, resonance occurs when a system should be able to store energy and transfer energy between different storage modes. Therefore, the resonant frequency is defined as the oscillation frequency of a system that occurs due to natural or unforced resonance. LC circuits play an important role in many electronic devices and are used in oscillators, filters, tuners, and more. Therefore, the LC resonant frequency formula is given by the following equation:
LC resonant frequency, f=1/2 π√ (LC)
L is the inductance value
C is the capacitance value
π is a constant value equal to 3.1415926
f is the resonant frequency
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