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Analog Electronics

Analog Electronics
The resistance of pn junction when it is forward biased in the order of

None of these
 Kilo Ohm
 Mega Ohm
 Ohm

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Analog Electronics
In a common emitter, unbypassed resister provides

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

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Analog Electronics
The following relationship between α and β are correct except

  β = α / (1 - α).
  α = β / (1 + β).
  1 - α = 1 / (1 + β).
  α = β / (1 - β).

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Analog Electronics
When the source voltage increases in a zener regulator, which of these electric current remain approximately constant ?

  Load current.
  Zener current.
  Series current.
  None of these.

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Analog Electronics
At the unity-gain frequency, the open-loop voltage gain is

  zero.
  AV(mid).
  1.
  very large

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

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

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