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Analog Electronics

Analog Electronics
A depletion MOSFET differs from a JFET in the sense that it has no

  p - n junction.
  substrate.
  channel.
  gate.

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Analog Electronics
The power dissipated by a transistor approximately equals the collector current times

 base supply voltage.
 0.7 V.
 base - emitter voltage.
  collector - emitter voltage.

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

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

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

 Hartley oscillator
 Wien bridge oscillator
 Crystal oscillator
 Phase shift oscillator

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Analog Electronics
In a pnp transistor, the major carriers in the emitter are

 neither.
 both.
 free electrons.
  holes.

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Analog Electronics
Which of the following is trivalent impurity ?

 Silicon
None of these
 Boron
 Antimony

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