Analog Electronics
An emitter follower has a voltage gain that is

 greater than one.
  approximately equal to one.
 much less than one.
 zero.

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Analog Electronics
For an NPN transistor in normal bias

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

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