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Question
The impurity atoms needed to make a p-type semiconductor are
The impurity atoms needed to make a p-type semiconductor are
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Solution
The correct option is B boron
According to theory,p- type semiconductor has holes as a majority charge carrier,or in short they lack electrons,
Such semiconductors can be made by adding 13 group elements whichlacks an electron,
In the given options,Only boron is of 13 group, and hence adding boron as an impurity,
Semiconductor becomes p-type.
According to theory,
p- type semiconductor has holes as a majority charge carrier,
or in short they lack electrons,
Such semiconductors can be made by adding 13 group elements which
lacks an electron,
In the given options,
Only boron is of 13 group, and hence adding boron as an impurity,
Semiconductor becomes p-type.
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