physics·NCERT Class 12·Alternating Current
RLC Resonance Phasors
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Tune an RLC circuit to resonance and watch the impedance drop to its minimum — Z = R. It's the same physics as tuning a radio to a station.
›Impedance: Z = √(R² + (Xₗ−Xc)²); resonance when Xₗ = Xc → Z = R.
›Resonance frequency: ω₀ = 1/√(LC).