Question
Assuming the ideal diode, draw the output waveform for the circuit given in Fig. Explain the waveform.

Answer

An ideal diode behaves like a perfect conductor when voltage is applied forward biased and like a perfect insulator when voltage is applied reverse biased.
When input voltage is greater than 5V, diode is conducting
When input is less than 5V, diode is open
The correct diagram is shown below:

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