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Analog Electronics

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

 1-3 ev
 0 ev
 10-15 ev
 14-15 ev

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Analog Electronics
The most commonly used semiconductor is

 Sulphur
 Silicon
 Carbon
 Germanium

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Analog Electronics
The common - mode rejection ratio is

  as high as possible.
  very low.
  equal to the voltage gain.
  equal to the common-mode voltage gain.

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Analog Electronics
Class B amplifier is biased

None of these
 just at cut-off.
 at midpoint of load line.
 nearly twice cut-off.

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Analog Electronics
The amount of time between the creation and disappearance of a free electrons is called

 bound electrons
 life time of the carriers
 drift velocity
 recombination

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Analog Electronics
In a rectifier circuit, the diode converts

 alternating current to direct voltage.
 alternating voltage to direct current.
 alternating voltage to direct voltage.
 both (A) and (C) options are connect.

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