Analog Electronics
In a common emitter, unbypassed resister provides

negative voltage feedback
current series feedback
voltage shunt feedback
positive current feedback

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Analog Electronics
Pinch-off voltage in a JFET is

 the gate to source voltage that gives unity drain current.
 the drain voltage that gives infinite drain current.
 the drain voltage that gives zero drain current.
 the gate to source voltage that gives zero drain current.

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Analog Electronics
Conventional biasing of a BJT has

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

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