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Analog Electronics

Analog Electronics
The barrier potential across each silicon depletion layer is

 0.3 V.
  0.7 V.
 1 V.
 0 V.

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Analog Electronics
The diffusion capacitance of a forward biased P+N junction diode with a steady electric current I depends on

  junction area.
  mean life time of the electrons.
  mean life time of the holes.
  width of the depleted region.

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Analog Electronics
In n type semiconductor elements of which group of periodic table is added as dopant

 group 2.
 group 4.
 group 5.
 group 3.

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Analog Electronics
What is mean by the outermost orbit of an atom ?

 Conduction band
 Valence orbit
 Energy band
None of these

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Analog Electronics
Germanium has

 molecular bond.
 covalent bond.
 ionic bond.
 metallic bond.

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Analog Electronics
In an NPN transistor, the majority carriers in the emitter are

 both.
  free electrons.
 holes.
 neither.

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