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Analog Electronics

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

 GaAs
 Ge
 All the above
 Si

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Analog Electronics
In modern the MOSFET, the material used for the gate is

  high - purity silicon.
  high - purity silica.
  heavily doped poly crystalline silicon.
  epitaxially grown silicon.

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Analog Electronics
Colpitts oscillator is also called as

 LC oscillator
 Tank circuit oscillator
 Resonant circuit oscillator
All of these

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Analog Electronics
The collector - emitter voltage is usually

 equal to the collector supply voltage.
 more than the collector supply voltage.
  less than the collector supply voltage.
 none of these.

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Analog Electronics
Base of a number system is also known as

 shift
 count
 value
 radix

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Analog Electronics
A JFET can operate in

  enhancement mode only.
  depletion and enhancement mode only.
  depletion mode only.
  none of these.

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MORE MCQ ON Analog Electronics

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