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Analog Electronics

Analog Electronics
Which of the following is the pentavalent material ?

 Boron
 Neon
 Arsenic
 Gallium

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Analog Electronics
Thermal runaway is not possible in FET because as the temperature of FET increases

The mobility decreases
None of these
The drain current increases
The transconductance increases

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Analog Electronics
Which of the following is trivalent impurity ?

 Antimony
 Boron
None of these
 Silicon

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Analog Electronics
A U shaped, opposite-polarity material built near a JFET-channel center is called the

  drain.
  gate.
  heat sink.
  block.

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Analog Electronics
The input stage of an op amp is usually a

  CE amplifier.
  differential amp.
  swamped amplifier.
  class B push-pull amplifier.

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Analog Electronics
Which of the following is a semiconductors material ?

 All the above
 Si
 Ge
 GaAs

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