Resonant Frequency Calculator

Find the resonant frequency of an LC circuit.

Resonant frequency (Hz) 1,591.55

Formula: f₀ = 1 ÷ (2π·√(L·C))

Step-by-step with your numbers:
1. Values used:
2. Inductance = 10 mH
3. Capacitance = 1 µF
4.
5. Resonant frequency = 1,591.55Hz
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An LC circuit naturally oscillates at its resonant frequency.

The math behind it

f₀ = 1 ÷ (2π·√(L·C)). At resonance, inductive and capacitive reactances cancel.

Worked example

10 mH, 1 µF → about 1592 Hz.

FAQ

Where is resonance used?

Tuning radios, filters and oscillators.