Analog Electronics
For a transistor amplifier with self- biasing network, the following components are used: R1 = 4 KΩ, R2 = 4 KΩ and RE = 1 KΩ, the approximate value of stability factor will be

  1.5.
  2.
  3.
  4.

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Analog Electronics
Optocouplers combine

 IGBTs and MOSFETs.
  Infrared light emitting diode and a silicon photo transistor.
 Power transistor and silicon transistor.
 SITs and BJTs.

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Analog Electronics
The magnitude of electric current ICBO

  depends largely upon the emitter doping.
  increases with the increase in temperature.
  is generally greater in silicon than in germanium transistor.
  depends largely upon emitter-base junction base potential.

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