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JAMB Physics 2004 Question 26

Question 26

Electronics

In a reverse biased junction diode, current flows in by

  1. A.electrons alone.
  2. B.majority carriers.
  3. C.minority carriers.
  4. D.positive holes alone.
Show the answer and explanation

Answer: C (minority carriers.)

Explanation

Reverse bias blocks the majority carriers; the tiny leakage current is carried by minority carriers.