AIIMS2003Physics-Semiconductors
AIIMS 2003 Physics Doping MCQ Question
Type: MCQ-conceptual-Medium-Class 12
To a germanium sample, traces of gallium are added as an impurity. The resultant sample would behave like
A
a conductor
B
a p-type semiconductor
C
an n-type semiconductor
D
an insulator
Correct Answer
Option B
Detailed Explanation
An intrinsic germanium have four outer electrons which they use to form bonds with four neighbouring Ge atoms.
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