Analog Electronics
In a MOSFET, the polarity of the inversion layer is the same as that of the

  charge on the gate electrode.
  majority carries in the source .
  minority carriers in the drain .
  majority carries in the substrate.

ANSWER DOWNLOAD EXAMIANS APP

Analog Electronics
In all base driver amplifiers

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

ANSWER DOWNLOAD EXAMIANS APP