1. Assertion (A): When a high reverse voltage is applied to a p-n junction the diode breaks down. Reason (R): High reverse voltage causes Avalanche effect.





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MCQ->Assertion (A): When a high reverse voltage is applied to a p-n junction the diode breaks down. Reason (R): High reverse voltage causes Avalanche effect.

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MCQ->Assertion (A): Impatt diode is an avalanche diode.Reason (R): Avalanche breakdown phenomenon occurs when a p-n junction is reverse biased.

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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-> Study the following information carefully and answer the questions given below : A, B, C, D, E, F and G are seven persons who travel to of ce everyday by a particular train which stops at ve stations-I, II, III, IV and V respectively after it leaves base station. Three among them get in the train at the base station. D gets down at the next station at which F gets down. B does not get down either with A or E. G alone gets in at station III and gets down with C after one station. A travels between only two stations and gets down at station V. None of them gets in at station II. C gets in with F but does not get in with either B or D. E gets in with two others and gets down alone after D. B and D work in the same of ce and they get down together at station III. None of them gets down at station I.At which station does E get down ?
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