GATE 2022 IN – Question 56
The circuit shown is driven by a sinusoidal input voltage, 𝑉, resulting in the output voltage, 𝑉௨௧. The frequency (in kilohertz) at which the voltage gain is 0 dB is ________ (round off to two decimal places)
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Correct answer: 15.80 to 16.00
Explanation
H=−10/(1+jωRfC), with RfC=100 μs. Unity magnitude requires 1+(ωRfC)²=100.
Therefore f=√99/(2π×100 μs)=**15.84 kHz**.