Analog Electronics
Field effect transistor (FET) operates on

  minority carries only .
  positive charged ions only.
  on both majority and minority carriers.
  majority carriers only.

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Analog Electronics
In all base driver amplifiers

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

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