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Analog Electronics

Analog Electronics
When a junction diode is Forward Biased the thickness of the depletion region is................

 Larger
 Medium
  Not determine
 Smaller

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Analog Electronics
What will happen if doping of an intrinsic semiconductor with pentavalent impurity atom ?

 Fermi level fall
 Fermi level raises
None of these
 Fermi level not change

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Analog Electronics
In a transistor leakage current mainly depends on

Doping of base
Size of emitter
Rating of transistor
Temperature

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Analog Electronics
N-type extrinsic semiconductor is obtained by adding

 pentavalent impurity
 trivalent impurity
 tetravalent impurity
All of these

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Analog Electronics
A voltage regulator is a circuit which

  smoothed the AC variation in DC output voltage.
None of these
  converts the AC voltage to DC voltage.
  maintains constant DC output voltage inspite of the fluctu

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Analog Electronics
What will be the Potential barrier for Si Diode ?

 0.07 V
 0.3 V
 0.7 V
 0.05 V

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