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Analog Electronics

Analog Electronics
Energy gap of semiconductor is approx

 0 eV.
 1 eV.
 > 8 eV .
 5 - 8 eV.

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Analog Electronics
If the series resistance increases in an unloaded zener regulator, the zener current

  increases.
  equals the voltage divided by the resistance.
  stays the same.
  decreases.

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Analog Electronics
Most small - signal E - MOSFETs are found in

  discrete circuits.
  disk drives.
  heavy - current applications.
  integrated circuit.

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

 0 eV
 1eV
 15 eV
None of these

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Analog Electronics
Input impedance of MOSFET is

  more than that of FET and BJT.
  less than that of FET and BJT.
  more than that of FET but less than BJT.
  less than of FET but more than BJT.

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

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