Analog Electronics
IGFET is a

  square - law device.
  half - power device.
  linear device.
  3 / 2 power - low device .

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Analog Electronics
The arrowhead on the transistor symbol points in the direction of

  conventional electric current flow in the emitter region.
  minority carrier flow in the emitter region.
  electron flow in the emitter region.
  majority carrier flow in the emitter region.

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