Analog Electronics
When the two input terminals of a differential amplifier are grounded

  the collector currents are equal.
  an output error voltage usually exists.
  the base currents are equal.
  the ac output voltage is zero.

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

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

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