LC Série Q
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
Q série
About this calculator
The LC Series Q calculator helps to find the value of the series Q in electric circuits using the formula Q = (1/R)·√(L/C).
This calculator is useful in cases where it is necessary to calculate the series Q in LC series circuits, such as in LC filters or resonance.
When using this calculator, it's important to keep in mind that the resistance (R), the inductor (L) and the capacitor (C) must be connected in series for the formula to be applicable.
Also, it's essential to check if the values of R, L and C are in consistent units, as this will affect the calculated series Q value.
Frequently asked questions
What is the series Q?
The series Q is a measure of quality in LC series circuits, representing the ratio between the inductive reactance and the capacitive reactance.
How should I connect the components to use this calculator?
The components should be connected in series, with the resistance (R), the inductor (L) and the capacitor (C) connected in a single path.
What units should I use for the components?
The units should be consistent, such as ohms (Ω) for the resistance, henries (H) for the inductor and farads (F) for the capacitor.