The conductivity of intrinsic semiconductor is given by ?->(Show Answer!)

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1. The conductivity of intrinsic semiconductor is given by

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MCQ->Consider the following statements about conditions that make a metal semiconductor contact rectifying N type semiconductor with work function φs more than work function φM of metalN type semiconductor with work function φs less than work function φM of metalP type semiconductor with work function φs more than work function φM of metalP type semiconductor with work function φs less than work function φM of metal. Of these statements....

MCQ->For a semiconductor, the conductivity is a function of the products of the number of charge carriers and their mobilites. As result, if the temperature of a slab of intrinsic silicon increases, how does its conductivity vary?....

MCQ->Assertion (A): Intrinsic semiconductor is an insulator at 0 K. Reason (R): Fermi level in intrinsic semiconductor is in the centre of forbidden energy band.

MCQ->Assertion (A): The conductivity of p type semiconductor is higher than that of intrinsic semiconductor. Reason (R): The addition of donor impurity creates additional energy levels below conduction band.

MCQ->Assertion (A): Acceptor extrinsic semiconductor has higher conductivity than intrinsic semiconductor.Reason (R): Addition of p-type impurity produces an allowable discrete energy level just above valence band.

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