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Analog Electronics

Analog Electronics
For Germanium pn junction, the maximum value of barrier potential is

 0.3V
 0.7V
 1.5V
 1.6V

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Analog Electronics
The emitter of the transistor is generally doped the heaviest because it

  has to supply the charge carriers.
  has to dissipate maximum power.
  is the first region of transistor.
  must possess low resistance.

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

None of these
 Mega Ohm
 Kilo Ohm
 Ohm

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

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

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Analog Electronics
Silicon has

 none of above.
 two valence electrons.
 eight valence electrons.
 four valence electrons.

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Analog Electronics
In a JFET, if the gate voltage Vgs is made more negative, then

  channel conductivity increases.
  channel electric current increases .
  depletion region decreases.
  channel conductivity decreases.

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