Analog Electronics
If the series resistance increases in an unloaded zener regulator, the zener current

  increases.
  equals the voltage divided by the resistance.
  stays the same.
  decreases.

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Analog Electronics
Conventional biasing of a BJT has

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

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