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In a series circuit having resistance and inductance, the quality factor is?

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In a series circuit having resistance and inductance, the quality factor is?

(a) ωL/R

(b) R/ωL

(c) ωL

(d) R

This question was posed to me in an interview for job.

This question is from Bandwidth of an RLC Circuit topic in portion Resonance & Magnetically Coupled Circuit of Network Theory

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Correct choice is (a) ωL/R

Explanation: Quality factor Q = ωL/R. A higher value of circuit Q results in smaller bandwidth and a lower value of Q causes a larger bandwidth.

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