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  4. With which one of the following elements silicon should be doped so as to give p-type of semiconductor

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Q. With which one of the following elements silicon should be doped so as to give p-type of semiconductor

AIPMTAIPMT 2008The Solid State

Solution:

$p$-type of semiconductor is produced on doping with electron deficient impurity. $Si$ belongs to group $14$ while $B$ belongs to group $13$.