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Electronic Devices & CircuitsSemiconductor Fundamentals

Doping pure silicon with a pentavalent impurity such as phosphorus generally produces?

  • AP-type semiconductor
  • BN-type semiconductor
  • CIntrinsic semiconductor
  • DInsulating material
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Correct Answer: B. N-type semiconductor
Explanation: Pentavalent donor atoms contribute extra electrons, making electrons the majority carriers in an n-type semiconductor.
Reference: Standard semiconductor electronics: doping
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