LC Circuit Calculator
Online calculators for LC circuits and resonance analysis
Resonance & Frequency Analysis
Resonant Frequency
Calculate resonant frequency f₀ of LC circuits
RCL Series Resonance
Resonance characteristics of RCL series circuits
RCL Parallel Resonance
Resonance frequency of parallel RCL circuits
Circuit Analysis & Combinations
RCL Series Circuit
Impedance, current and voltage in series RCL
RCL Parallel Circuit
Admittance, current and voltage in parallel RCL
About LC Circuit Calculators
Capacitors and inductors are reactive components that store energy in electric and magnetic fields respectively. Their behavior in AC circuits is frequency-dependent and creates phase shifts and resonance phenomena.
- Resonance - f₀ = 1/(2π√LC)
- Reactance - XL = 2πfL, XC = 1/(2πfC)
- Impedance - Z = √(R² + (XL-XC)²)
- Series RCL - Voltage resonance
- Parallel RCL - Current resonance
- Quality Factor - Q = f₀/BW
Note: Understanding phasor diagrams helps visualize AC circuit
behavior. Start with basic reactance calculations, then explore resonance phenomena.
Important Formulas
Reactance
XC = 1/(2πfC)
XL = 2πfL
Z = √(R² + (XL-XC)²)
Resonance
f₀ = 1/(2π√LC)
Q = f₀/BW
Key Concepts
Reactance: XL, XC
Impedance: Z = R + jX
Phase: φ = arctan(X/R)
Impedance: Z = R + jX
Phase: φ = arctan(X/R)
Safety: Capacitors can store
dangerous charges. Always discharge safely
before handling.