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Analog Electronics

Analog Electronics
Assume that diode D1, D2 in figure are ideal diodes. The value of current is mcq-diagram

 1 mA.
 0 mA.
 2 mA.
 0.5 mA.

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Analog Electronics
The reverse saturation electric current of a pn junction varies with temperature (T) as

  1 / T.
  independent of T.
  T.
  T2.

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Analog Electronics
In a common emitter, unbypassed resister provides

negative voltage feedback
positive current feedback
voltage shunt feedback
current series feedback

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Analog Electronics
N-type extrinsic semiconductor is obtained by adding

 tetravalent impurity
 pentavalent impurity
 trivalent impurity
All of these

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Analog Electronics
In a bipolar junction transistor the base region is made very thin so that

  base can be easily biased.
  electric field gradient in base is high.
  base can be easily fabricated.
  recombination in base region is minimum.

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

  channel.
  substrate.
  p - n junction.
  gate.

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