Classify each of the following as being either a p-type or n-type semi-conductor .
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Explanation:
- (1) Ge doped with In
- (2) B doped with Si
(1) Si is a group of 14 elements and AL or Ge is a group of 13 elements . Hence an electron - deficient hole is produced and thus a p-type semiconductor .
(2) As or p is group of 15 elements and Si is a group of 14 elements . this there will be free electron . hence it is an n-type semi-conductor .
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