Which of the following doping will produce a p-type semiconductor?
A
Germanium with phosphorus
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B
Silicon with germanium
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C
Germanium with antomony
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D
Silicon with indium
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Solution
The correct option is D Silicon with indium The p-type semiconductor is formed by doping either Si or Ge with a trivalent atom. Out of given options, only indium is a trivalent atom. So, a p-type semiconductor is formed by using silicon with indium.