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Analog Electronics

Analog Electronics
The emitter of the transistor is doped

  lightly.
  moderately.
  none of these
  heavily.

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

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Analog Electronics
Which material behave like perfect insulators at low temperatures & conductor at higher temperature ?

 GaAs
 Ge
 Si
 All the above

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Analog Electronics
Which is the conversion of current done by diode ?

 AC to DC
 DC to AC
 DC to DC
None of these

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Analog Electronics
When will be the P-N junction is formed ?

 In reverse biased region
 In depletion region
 Two opposite doped materials
None of these

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Analog Electronics
The most commonly used semiconductor is

 Sulphur
 Germanium
 Silicon
 Carbon

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