EngiRef / Electrical Engineering Formula
Resonant Frequency
Resonant Frequency: Frequency at which XL equals XC. An AC Circuits formula in electrical engineering. Variables f₀, L and C, each with SI and imperial units.
AC Circuits
Specification
- Name
- Resonant Frequency
- Discipline
- electrical
- Category
- AC Circuits
- LaTeX
- f_0 = \frac{1}{2 \pi \sqrt{LC}}
- Description
- Frequency at which XL equals XC
- Conditions
- Ideal LC or RLC with negligible resistance
- Can solve for
- f₀, L, C
- Tags
- resonance, frequency, lc, tuning
Variables
| Symbol | Name | Unit | Si Unit |
|---|---|---|---|
| f₀ | Resonant Frequency | Hz | Hz |
| L | Inductance | H | H |
| C | Capacitance | F | F |
Common questions
- What is the Resonant Frequency formula?
- Frequency at which XL equals XC. It sits under AC Circuits, Electrical engineering in the EngiRef reference.
- What do the symbols in the Resonant Frequency formula mean?
- In Resonant Frequency, f₀ is resonant frequency in Hz; L is inductance in H; C is capacitance in F.
- When does the Resonant Frequency formula apply?
- Resonant Frequency holds under this condition: Ideal LC or RLC with negligible resistance.