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Analog Electronics

Analog Electronics
Energy gap of conductor is

 8 eV.
 5 - 8 eV.
 1 - 2 eV.
 0 eV.

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Analog Electronics
Which process is used for adding impurity into a pure semiconductor material ?

 Doping
 Conducting
None of these
 Insulating

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Analog Electronics
In which mode of BJT operation are both junction forward biased

  active.
  saturation.
  reverse active.
  cut off.

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Analog Electronics
If the emitter resistance decreases, the

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

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Analog Electronics
N-type extrinsic semiconductor is obtained by adding

 trivalent impurity
 pentavalent impurity
 tetravalent impurity
All of these

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Analog Electronics
The DC electric current gain in common collector configuration is given by

  β + 1.
  β.
  α - 1.
  α.

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