Question

What is an ideal diode ? Draw the output waveform across R, for the input waveform given below.

Answer 1

An ideal diode is one kind of an electrical component that performs like an ideal conductor when voltage is applied in forward bias and like an ideal insulator when the voltage is applied in reverse bias. So when +ve voltage is applied across the anode toward the cathode, the diode performs forward current immediately.

Answer 2

                            Ideal diode

• The waveform asked here is that of asked here is that of an ideal diode in forward bias condition.
• To know the waveform we need to know how an ideal conductor works.
• When in the ideal diode a biasing is done such that the positive or anode side is connected to the positive side of battery and negative is connected to the negative side of the battery.
• Then proper conduction starts acting from the ideal diode thereby allowing the wave that comes in to move out smoothly when the case is opposite.
• Then it acts as an insulator which word suppress any wave entering it.
• Hence in forward bias condition the waveform would be a single  rectangular wave.

To know more:

An ideal diode can be considerd as a

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An ideal diode should pass a current freely in one direction and should stop it completely in the opposite direction. Which is closer to ideal-vacuum diode or a p-n junction diode?

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