Analog Electronics
The following relationship between α and β are correct except

  β = α / (1 - α).
  α = β / (1 + β).
  1 - α = 1 / (1 + β).
  α = β / (1 - β).

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Analog Electronics
The magnitude of electric current ICBO

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

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