What is this circuit?

This question was previously asked in
VSSC (ISRO) Technician B (Electronic Mechanic) Previous Year Paper (Held on 25 Sept 2016)
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  1. high-pass filter
  2. differentiator
  3. band pass filter
  4. low pass filter

Answer (Detailed Solution Below)

Option 4 : low pass filter
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Detailed Solution

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Given circuit:

To check the behavior of the circuit analyze the given circuit at different frequencies.

For ω = 0:

For ω = ∞ (High frequency):

Observation: The given circuit produces output for low frequencies. ∴ The given circuit is a low pass circuit.

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