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

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

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Analog Electronics
For an NPN transistor in normal bias

  only holes cross the collector junction.
  the emitter junction has high resistance.
  Je is forward biased and Jc is reverse biased.
  only majority carriers cross the collector junction.

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Analog Electronics
A working diode must have

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

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