Interpretation:
The type of semiconductor when germanium gets doped has to be identified. Further the reason for greater electrical conductivity of doped germanium has to be explained.
Concept introduction:
Semiconductor: A material which can conducts electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.
n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.
p-type: This is a type of doped semiconductor in which holes are present in conduction band.
Figure 1
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