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A perfect crystal of silicon is doped wi...

A perfect crystal of silicon is doped with some elements as given in the options . Which of the these options show n-type semiconductors ?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
a,c
As and P belong to group 15 while B and Al belong to group 13. Doping with As or P will give n-type semiconductor.
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