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Analog Electronics

Analog Electronics
The leakage current in a pn junction is in order of

None of these
 A
 KA
 µA

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Analog Electronics
The number of orbiting electrons in germanium atom are :

 42
 28
 32
 36

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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

11KΩ
1/11KΩ
1/5KΩ
5KΩ

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Analog Electronics
In CB configuration, the output V-I characteristics of a transistor are drawn by taking

  VCE versus IC for constant IE.
  VCB versus IB for constant IE.
  VCB versus IB for constant IE.
  VCB versus IC for constant IE.

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Analog Electronics
In modern the MOSFET, the material used for the gate is

  epitaxially grown silicon.
  high - purity silica.
  high - purity silicon.
  heavily doped poly crystalline silicon.

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Analog Electronics
The following relationship between α and β are correct except

  β = α / (1 - α).
  1 - α = 1 / (1 + β).
  α = β / (1 - β).
  α = β / (1 + β).

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