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Analog Electronics

Analog Electronics
The forbidden energy gap between valance band and conduction band in semiconductor material is about

None of these
 0 eV
 15 eV
 1eV

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Analog Electronics
The transition capacitance of a reverse biased pn junction having uniform doping on both sides, varies with junction voltage ( VB ) as

  VB.
  ( VB )- 1 / 2.
  ( VB )2.
  1 / VB.

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Analog Electronics
If the emitter resistor is open, the collector voltage is

  high.
 unchanged.
 unknown.
 low.

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Analog Electronics
The value of total collector electric current in a CB circuit is

  IC = αIE.
  IC = βIE.
  IC = αIE - ICO.
  IC = αIE + ICO.

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

  p - n junction.
  channel.
  substrate.
  gate.

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Analog Electronics
If the emitter resistance increases, the collector voltage

 stays the same.
 decreases.
 breaks down the transistor.
  increases.

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