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Analog Electronics

Analog Electronics
The number of valence electrons in silicon atom are :

 3
 2
 4
 1

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Analog Electronics
The emitter of the transistor is generally doped the heaviest because it

  has to dissipate maximum power.
  is the first region of transistor.
  must possess low resistance.
  has to supply the charge carriers.

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Analog Electronics
A transistor series voltage regulator is called emitter follower regulator because the emitter of the pass transistor follows the ________________________ voltage.

  collector.
  input.
  output.
  base.

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Analog Electronics
When the drain saturation electric current is less than IDSS a JFET acts like a

  battery.
  current source.
  resistor.
  BJT.

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Analog Electronics
What is the range of energy band gap of semiconductors ?

 0 ev
 1-3 ev
 14-15 ev
 10-15 ev

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Analog Electronics
The biasing circuit that gives best stability to Q point is

  base resistance biasing.
  feedback resistor biasing .
  emitter resistor biasing.
  potential divider biasing.

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