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Analog Electronics

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

 Conducting
 Insulating
 Doping
None of these

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Analog Electronics
The input offset electric current equals the

 difference between the two base-emitter voltages.
 average of the two base currents.
 collector electric current divided by the base current.
 difference between the two base currents.

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

None of these
 Conduction band
 Valence orbit
 Energy band

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Analog Electronics
The transition capacitance of a reverse biased pn junction having uniform doping on both sides, varies with junction voltage ( VB ) as

  VB.
  ( VB )2.
  1 / VB.
  ( VB )- 1 / 2.

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Analog Electronics
In deriving ac equivalent circuit for an amplifier circuit we short circuit

All resistors
All transistors
All inductors
All capacitors

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Analog Electronics
The output voltage of an emitter follower is across the

 emitter diode.
  load resistor.
 DC collector resistor.
 emitter diode and external AC emitter resistance.

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