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Analog Electronics

Analog Electronics
Junction field effect transistors (JFET) contain how many diodes?

  2.
  3.
  1.
  4.

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Analog Electronics
A quartz crystal oscillator consists of

 both series and parallel frequencies.
 neither series nor parallel frequency.
 only series resonant frequency.
 only parallel resonant frequency.

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Analog Electronics
For audio frequency applications, the popular oscillator used is

 Crystal oscillator
 Wien bridge oscillator
 Phase shift oscillator
 Hartley oscillator

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

 0 ev
 1-3 ev
 14-15 ev
 10-15 ev

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Analog Electronics
A transistor series voltage regulator is called emitter follower regulator because the emitter of the pass transistor follows the ________________________ voltage.

  collector.
  output.
  base.
  input.

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Analog Electronics
The leakage electric current of a pn junction is caused by

  majority carriers.
  chemical energy.
  heat energy.
  barrier potential.

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