1.

To a germanium sample, traces of galium are added as an impurity. The resultant sample would behave like ……..

Answer»

a GOOD conductor.
a p-type semiconductor.
a n-type semiconductor
an insulator.

Solution :a p-type semiconductor.
In short the absence of ELECTRON in a COVALENT bond of Ge EXIST HENCE hole are positive, so it is called p-semiconductor.


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