When a pentavalent impurity is added to a pure semiconductor, it becomes

PHYSICS
JAMB 2009

When a pentavalent impurity is added to a pure semiconductor, it becomes

  • A) a p-type semiconductor
  • B) an n-type semiconductor
  • C) an insulator
  • D) an intrinsic semi-conductor

Correct Answer: B) an n-type semiconductor



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