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In ideal diode model diode in reverse bias is considered as a ___________

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In ideal diode model diode in reverse bias is considered as a ___________

(a) Resistor

(b) Perfect conductor

(c) Perfect insulator

(d) Capacitor

This question was posed to me by my school principal while I was bunking the class.

This intriguing question comes from Ideal Diode Model-1 topic in section Diode Circuit of Analog Circuits

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The correct answer is (c) Perfect insulator

The best I can explain: In ideal diode model the diode is considered as a perfect conductor in forward bias and perfect insulator in reverse bias. That is voltage drop at forward bias is zero and current through the diode at reverse bias is zero.

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