Multiple choice

Identify the circuit in the following figure?

  1. Low-pass filter

  2. High-pass filter

  3. Band-pass filter

  4. Band-reject filter
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

$$ \text{This is a Low pass filter, because}\\ \begin{array}{ll} At\quad \omega = \infty\qquad & \dfrac{V_o}{V_{in}} = 0 \\ and\ at\ \omega = 0 \qquad & \dfrac{V_o}{V_in} = 1 \end{array} $$

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