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

 down.
 off the load line.
  up.
 nowhere.

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Analog Electronics
In all base driver amplifiers

None of these
ac collector voltage is in phase with ac base voltage
ac emitter voltage is 180° out of phase with ac base voltage
ac collector voltage is 180° out of phase with ac base voltage

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