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Analog Electronics

Analog Electronics
The emitter of the transistor is doped

  lightly.
  heavily.
  moderately.
  none of these

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Analog Electronics
Feedback circuit in an oscillator can be accomplished by

 Inductive coupling between input and output
 Capacitive coupling between input and output
 Resistive coupling between input and output
 Any one or combinations of the above methods

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Analog Electronics
A semiconductor diode is

 a processing device
 bilateral device
 linear device
 non-linear device

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Analog Electronics
When the source voltage increases in a zener regulator, which of these electric current remain approximately constant ?

  None of these.
  Zener current.
  Series current.
  Load current.

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Analog Electronics
A Schottky diode is a

 majority carrier device.
 minority carrier device.
 fast recovery diode.
 both a majority and a minority carrier diode.

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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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