Analog Electronics
Which of these is the best description of a zener diode?

  It is a rectifier diode.
  It is a constant electric current device.
  It is a constant voltage device.
  It works in the forward region.

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Analog Electronics
For an NPN transistor in normal bias

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

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