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What happens to the quality factor when the bandwidth increases?

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in Basic Electrical Engineering by (88.7k points)
What happens to the quality factor when the bandwidth increases?

(a) Increases

(b) Decreases

(c) Remains the same

(d) Becomes zero

I got this question during an interview for a job.

The origin of the question is Frequency Variation in a Series RLC Circuit topic in division Resonance in AC Circuits of Basic Electrical Engineering

1 Answer

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Best answer
The correct answer is (b) Decreases

The best explanation: Q=fres/Bandwidth

Quality factor is inversely proportional to bandwidth. So, if bandwidth increases quality factor decreases.

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