Analog Electronics
If a transistor operates at the middle of the load line, a decrease in the current gain will move the Q point

 off the load line.
 up.
  down.
 nowhere.

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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 high input impedance and a very high voltage gain.
  a very high input impedance and a relatively low voltage

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Analog Electronics
When a transistor is connected in common emitter mode, it with have

Medium input resistance and high output resistance
Low input resistance as well as output resistance
High input resistance and low output resistance
Negligible input resistance and high output resistance

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