Analog Electronics
The voltage gain of a loaded differential amp is

  large than the unloaded voltage gain.
  smaller than the unloaded voltage gain.
  impossible to determine.
  equal to RC / re.

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Analog Electronics
Conventional biasing of a BJT has

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

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Analog Electronics
The common-source JFET amplifier has

  a high input impedance and a voltage gain less than 1.
  no voltage gain.
  a very high input impedance and a relatively low voltage
  a high input impedance and a very high voltage gain.

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