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Analog Electronics

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

  gate.
  substrate.
  p - n junction.
  channel.

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Analog Electronics
Which of the following is trivalent impurity ?

 Boron
None of these
 Antimony
 Silicon

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Analog Electronics
The collector current is 1.5 mA. If the current gain is 50, the base current is

 3 µA.
 3 mA.
  30 µA.
 150 µA.

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Analog Electronics
Feedback circuit in an oscillator can be accomplished by

 Capacitive coupling between input and output
 Any one or combinations of the above methods
 Resistive coupling between input and output
 Inductive coupling between input and output

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

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

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Analog Electronics
In a JFET, the primary control on drain electric current is exerted by

  channel resistance.
  size of depletion regions.
  voltage drop across channel.
  gate reverse bias.

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MORE MCQ ON Analog Electronics

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