The dominant mechanisms for motion of charge carriers in forward and reverse biased silicon $P-N$ junctions are
  • A
    Drift in forward bias, diffusion in reverse bias
  • B
    Diffusion in forward bias, drift in reverse bias
  • C
    Diffusion in both forward and reverse bias
  • D
    Drift in both forward and reverse bias
[IIT-JEE 1997 Cancelled; RPMT 2000; AlIMS 2000]
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