GATE EE 2021 Set 1 — Question 61
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Electric Circuits → Transient & AC Steady-State → First-Order RL & RC
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Question
A square wave, switching between and , is applied to a CR high-pass filter circuit as shown. The output voltage waveform across the resistor is peak-to-peak. If the resistance is , then the value is ________ . (Round off to 2 decimal places.)

Correct answer
12.3 to 12.6
Solution
For a CR high-pass filter with a square wave input of amplitude (here ), the steady-state peak-to-peak output voltage is given by:where is the period of the square wave and is the time constant.
Given:
Given:
- .
- .
- .
- .
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