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Analog Electronics

Analog Electronics
Example of donor atom is

 Germinium
 Silicon
 Both A and B
 Antimony

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Analog Electronics
The leakage electric current ICBO flows in

  the emitter, base and collector leads.
  the emitter and collector leads.
  the base and collector leads.
  the emitter and base leads.

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Analog Electronics
If the emitter resistance decreases, the

 Q point stays where it is.
  Q point moves up.
 current gain increases.
 collector current decreases.

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Analog Electronics
Which impurity is added into semiconductor to increase its conductivity ?

 doping
 extrinsic
None of these
 intrinsic

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Analog Electronics
What is mean by the outermost orbit of an atom ?

None of these
 Valence orbit
 Energy band
 Conduction band

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Analog Electronics
When a reverse bias is applied to gate of JFET the depletion region width

  is wider near the drain and tapers near source.
None of these
  is uniform in the channel.
  is wider near the source and tapers near the drain.

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