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GATE 2022 IN – Question 36

Analog Electronics · Diodes and transistor circuits · 2 marks · Multiple choice

The shown $V_{in}(t)$ is applied from $t=0$ ms to 6 ms to the circuit. The capacitor initially has 0.3 V and the diode is ideal. The open-circuit $V_{out}$ at 5 ms is ______.

Diagram for GATE 2022 IN question 36
  1. 0.3 V
  2. 0.6 V
  3. 0.7 V
  4. 1.0 V

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Show answer and explanation

Correct answer: (D) 1.0 V

Explanation

The diode charges the capacitor whenever input exceeds its stored voltage. By 3 ms the input reaches 1 V, and the unloaded ideal capacitor holds that peak through 5 ms despite the later 0.6 V peak.

Thus **1.0 V, D**.