Analog Electronics
The common - mode rejection ratio is

  equal to the voltage gain.
  as high as possible.
  very low.
  equal to the common-mode voltage gain.

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Analog Electronics
In a transistor amplifier, the reverse saturation electric current ICO

  double for every 1° rise in temperature.
  increase linearly with the temperature.
  double for every 10° rise in temperature.
  double for every 5° rise in temperature.

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