Question:

The OPAMP shown in the figure is:
 High pass filter with gain = 2

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Capacitor at input → high-pass filter; Gain from non-inverting amp: \(1 + \frac{R_f}{R_1}\)
Updated On: June 02, 2025
  • Low pass filter with gain = 1
  • Low pass filter with gain = 2
  • High pass filter with gain = 1
  • High pass filter with gain = 2
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The Correct Option is D

Solution and Explanation

The input capacitor and series resistor form a **high-pass filter**, and the op-amp is in **non-inverting amplifier configuration**. Gain: \[ A_v = 1 + \frac{R_f}{R_1} = 1 + \frac{1k}{1k} = 2 \]
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