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In a series RLC circuit supplied by an AC source of voltage amplitude vₘ and angular frequency ω₀ = 1/√(LC), resonance occurs in the current. The quality factor Q is equal to:

1. ω₀L/R
2. ω₀R/L
3. R/(ω₀C)
4. CR/ω₀

Correct answer: ω₀L/R

Solution

For a series RLC circuit the quality factor is Q = omega0*L/R = (1/R)*sqrt(L/C).

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