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A diode will behave as an open circuit if the voltage in the circuit is less than __________

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A diode will behave as an open circuit if the voltage in the circuit is less than __________

(a) cut off voltage

(b) saturation voltage

(c) leakage voltage

(d) threshold voltage

This question was posed to me in semester exam.

I want to ask this question from Diode Resistance in section Semiconductor-Diode Characteristics of Electronic Devices & Circuits

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The correct option is (d) threshold voltage

To explain: The diode made up of semiconductor has a certain threshold voltage only after which it behave as closed circuit in the sense it performs some operation if the threshold voltage is greater than the voltage in circuit.

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