NEET-XII-Physics
P1 year:2019
- #18For a p-type semiconductor, which of the
following statements is true ?
(1) Electrons are the majority carriers and
trivalent atoms are the dopants.
(2) Holes are the majority carriers and
trivalent atoms are the dopants.
(3) Holes are the majority carriers and
pentavalent atoms are the dopants.
(4) Electrons are the majority carriers and
pentavalent atoms are the dopants.digAnsr: 2Ans : ( 2 )
Sol. In p-type semiconductor, an intrinsic
semiconductor is doped with trivalent
impurities, that creates deficiencies of
valence electrons called holes which are
majority charge carriers.