Physics - Semiconductors Question with Solution | TestHub
PhysicsSemiconductorsPN junctionMedium2 minPYQ_2008
PhysicsMediumsingle choice
When a solid with a band gap has a donor level just below its empty energy band, the solid is
Options:
Answer:
D
Solution:
The solid is an -type semiconductor. In an n-type semiconductor, the impurity is pentavalent which is also called the Donar impurity because one impurity atom generate one electron. The Donor energy level lies just below the conduction band as shown in the figure.
Stream:VITEEESubject:PhysicsTopic:SemiconductorsSubtopic:PN junction
⏱ 2mℹ️ Source: PYQ_2008
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