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Analog Electronics

Analog Electronics
What is the range of energy band gap of semiconductors ?

 0 ev
 1-3 ev
 10-15 ev
 14-15 ev

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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.
  None of these.
  Zener current.
  Series current.

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Analog Electronics
A D - MOSFET can operate in the

  enhancement - mode only.
  depletion - mode or enhancement - mode.
  depletion - mode only .
  low - impedance.

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Analog Electronics
When the drain saturation electric current is less than IDSS a JFET acts like a

  current source.
  battery.
  resistor.
  BJT.

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

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

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Analog Electronics
MOSFET requires

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

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