Materials and Components - Engineering

Q1:

The conductivity of intrinsic semiconductor is given by

A eni(μp - μn)

B eni(μp + μn)

C ni(μp + μn)

D ni(μpμn)

ANS:B - eni(μp + μn)

For intrinsic semiconductor, Conductivity = (Electron charge) x (Number of charge carriers) x (Sum of mobilities of holes and electrons).