Analog Electronics
The arrow direction in diode symbol indicates

  direction of hole flow.
  opposite to the direction of hole flow.
  none of these.
  direction of electron flow.

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

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

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Analog Electronics
Conventional biasing of a BJT has

  EB reversed biased and CB reversed biased.
  EB forward biased and CB forward biased.
  EB forward biased and CB reversed biased.
  EB reversed biased and CB forward biased.

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Analog Electronics
The common-source JFET amplifier has

  a very high input impedance and a relatively low voltage
  no voltage gain.
  a high input impedance and a voltage gain less than 1.
  a high input impedance and a very high voltage gain.

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