1.

Doping Si or Ge with As or P will produceA. p-type semiconductor Ge and n-type semiconductor SiB. n-type semiconductor Ge and p-type semiconductor SiC. n-type semiconductor Ge and n-type semiconductor SiD. p-type semiconductor Ge and p-type semiconductor Si.

Answer» Correct Answer - C
Doping si or Ge(both with 4 valence electrons) with As or P (with 5 valence electrons) will produce n-type semiconductor in both cases.


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