Analog Electronics
The collector - emitter voltage is usually

 more than the collector supply voltage.
  less than the collector supply voltage.
 equal to the collector supply voltage.
 none of these.

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

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

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