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Electronic Devices & CircuitsSemiconductor Fundamentals

Carrier drift current in a semiconductor is produced primarily by?

  • AAn applied electric field
  • BA carrier concentration gradient only
  • COptical reflection only
  • DA magnetic field with no electric field
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Correct Answer: A. An applied electric field
Explanation: Drift is the directed motion of charge carriers caused by an applied electric field.
Reference: Standard semiconductor electronics: drift current
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