Q.
Identify the incorrect statement.
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a
Si doped with electron rich impurity is a n-type semiconductor
b
Si doped with electron deficit impurity is a p-type semiconductor
c
Conductivity of doped silicon is increased by delocalised electrons
d
An electron vacancy increases the conductivity of n- type semiconductor
answer is D.
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Detailed Solution
Electronic excess is responsible for the conductivity of n-type semiconductors. This is achieved by adding electron rich impurity.
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