alleryQuality factor Q for series LCR at resonance:
AQ = L × C
BQ = R
CQ = ω₀ L / R = (1/R) × sqrt(L/C)
DQ = ω × C
Answer & Solution
Correct answer: C. Q = ω₀ L / R = (1/R) × sqrt(L/C)
We have Q = ω₀L/R.
That is Q = 1/(ω₀CR).
So Q = (1/R)√(L/C).
High Q means sharp resonance peak (narrow bandwidth).
Used in radio tuning circuits.
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