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The point on the load line at which a transistor rests with no signal applied is the ______ point.

  • A.quiescent
  • B.saturation
  • C.cut-off
  • D.pinch-off

Answer: A

This is the quiescent point, often written as the Q point, and it is what the bias network exists to establish. Saturation and cut-off are the two extremes of the load line that the quiescent point must sit between, and pinch-off belongs to field effect transistors. A term for the resting condition is needed precisely because everything about a stage's behaviour is measured as an excursion from it.

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