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1. Reverse breakdown is a condition in which a diode





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MCQ->Which of the following characteristics of a silicon p-n junction diode make it suitable for use as ideal diode? It has low saturation current.It has high value of cut in voltage.It can withstand large reverse voltage.When compared with germanium diode, silicon diode shows a lower degree of temperature dependence under reverse conditions. Select the answer using the given below....
MCQ->Assertion (A): In reverse biased p-n junction, the reverse saturation current is nearly constant if the reverse voltage is less than critical value. Reason (R): The total reverse current is sum of reverse saturation current and surface leakage current.

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MCQ->Assertion (A): The capacitance of a reverse biased pin diode is lower than that of reverse biased p-n diode. Reason (R): A PIN diode has an intrinsic layer between p and n regions.

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MCQ->Assertion (A): The reverse current in a p-n junction is nearly constant. Reason (R): The reverse breakdown voltage of a p-n diode depends on the extent of doping.

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MCQ->Assertion (A): Cut-in voltage for Germanium diode is greater than that for silicon diode.Reason (R): Germanium diode has a higher reverse saturation current than silicon diode.

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