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GATE 2022 EE – Question 28

Electric Circuits · Transient response of DC and AC networks, sinusoidal steady-state analysis, resonance, two port networks, balanced three phase circuits, star-delta transformation, complex power and power factor in AC circuits · 1 mark · Numerical answer

The network shown below has a resonant frequency of 150 kHz and a bandwidth of 600 Hz. The $Q$-factor of the network is ________. (round off to nearest integer)

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Correct answer: 250

Explanation

The quality factor is the ratio of the resonant frequency to the bandwidth: $Q=\frac{f_0}{BW}=\frac{150{,}000}{600}=250$.