Analog Electronics
The biasing circuit that gives best stability to Q point is

  feedback resistor biasing .
  potential divider biasing.
  emitter resistor biasing.
  base resistance biasing.

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Analog Electronics
A working diode must have

 High resistance when forward biased, while low resistance when reverse bias
 High resistance when forward or reverse biased
 Low resistance when forward or reverse biased
 Low resistance when forward biased, while high resistance when reverse bias

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