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Analog Electronics

Analog Electronics
Large electric current flow of a BJT occurs

  in emitter.
  in base.
  through emitter-collector
  in collector.

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Analog Electronics
The Q-point in a voltage amplifier is selected in the middle of the active region because

  the biasing circuit then need less number of resistors.
  the circuit needs a small.
  it gives better stability.
  it gives distortions less output.

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Analog Electronics
At the unity-gain frequency, the open-loop voltage gain is

  zero.
  very large
  1.
  AV(mid).

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Analog Electronics
In a normally biased npn transistor, the electrons in the emitter have enough energy to overcome the barrier potential of the

  base - emitter junction.
 base - collector junction.
 collector - base junction.
 recombination path.

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Analog Electronics
When a reverse bias is applied to a diode, it will

  increases the majority carrier an electric current greatly.
  lower the potential barrier.
  raise the potential barrier.
  none of these.

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Analog Electronics
Electrons in p-type material of a semi-conductor are called as

 either minority carriers or majority carriers
 majority carriers
 valance carriers
 minority carriers

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