Which mode/modes of conduction represent the salient characteristics of an ideal diode?

Q.  Which mode/modes of conduction represent the salient characteristics of an ideal diode?
- Published on 20 Oct 15

a. Conductivity with zero resistance in forward-biased mode
b. Infinite resistance in reversed -biased mode
c. No voltage drop due to zero resistivity
d. All of the above

ANSWER: All of the above
 
It is highly not feasible for any diode to act like an ideal diode because no practical diode resemble to the behaviour of an ideal diode. Basically, ideal diode acts as a short-circuit in forward direction and acts as an open-circuit in reverse direction.

An ideal diode exhibits conductivity with zero resistance in forward direction and infinite resistance in reverse-biased condition without any voltage drop since a short has zero resistance. However, the configuration of an ideal diode closed in forward direction and open in reverse direction can be used as a better bistable switch.

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