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Analog Electronics

Analog Electronics
In a transistor leakage current mainly depends on

Rating of transistor
Temperature
Doping of base
Size of emitter

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Analog Electronics
Field effect transistor (FET) operates on

  on both majority and minority carriers.
  minority carries only .
  majority carriers only.
  positive charged ions only.

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Analog Electronics
The input offset electric current equals the

 difference between the two base currents.
 difference between the two base-emitter voltages.
 average of the two base currents.
 collector electric current divided by the base current.

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

 Conduction band
 Energy band
None of these
 Valence orbit

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Analog Electronics
An amplifier without feedback has a voltage gain of 50,input resistance os 1 KΩ & Output resistance of 2.5KΩ.The input resistance of the current shunt negative feedback amplifier using the above amplifier with a feedbacik factor of 0.2 is

1/5KΩ
11KΩ
1/11KΩ
5KΩ

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Analog Electronics
Energy gap of conductor is

 1 - 2 eV.
 0 eV.
 8 eV.
 5 - 8 eV.

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