Analog Electronics
With both bases grounded, the only offset that produces an error is the

  β.
  input offset current.
  input bias current.
  input offset voltage.

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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.
  electron flow in the emitter region.
  minority carrier flow in the emitter region.
  majority carrier flow in the emitter region.

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