# Q factor for a series resonant circuit (RC circuits)

## Description

It is defined as the peak energy stored in the circuit divided by the average energy dissipated in it per cycle at resonance; Q factor is directly proportional to selectivity

Related formulas## Variables

Q | Q factor (series resonant circuit) (dimensionless) |

ω_{0} | Driven resonance frequency (1/s) |

R | Resistance (ohm) |

C | Capacity (farad) |