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Analog Electronics

Analog Electronics
Semiconductor material is

 Tetravalent
 Trivalent
 Bilateral
 Pentavalent

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Analog Electronics
For a diode, reverse recovery time is defined as the time between the instant diode current becomes zero and the instant reverse recovery current decays to

 0.
  25% of reverse peak current.
 15% of reverse peak current.
 10% of reverse peak current.

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Analog Electronics
In a properly biased NPN transistor most of the electrons from the emitter

  recombine with holes in the base .
  pass through the base to the collector.
  recombine in the emitter its self.
  are stopped by the junction barrier.

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Analog Electronics
The base-emitter voltage of the second approximation is

 1 V.
 0 V.
  0.7 V.
 0.3 V.

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Analog Electronics
Which of the following transistor configuration circuit is much less temperature dependent ?

  Common collector.
  Common emitter.
None of these
  Common base.

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Analog Electronics
MOSFET requires

  Only small input current.
 A large input current.
 None of these.
 A large input current and high voltage.

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