Analog Electronics
For transistor action

  all of these.
  the emitter should be heavily doped.
  Je must be forward biased and Jc should be reverse biased.
  the base region must be very thin and lightly doped.

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Analog Electronics
Conventional biasing of a BJT has

  EB reversed biased and CB reversed biased.
  EB reversed biased and CB forward biased.
  EB forward biased and CB forward biased.
  EB forward biased and CB reversed biased.

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