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Analog Electronics

Analog Electronics
Which process is used for adding impurity into a pure semiconductor material ?

 Conducting
 Insulating
None of these
 Doping

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Analog Electronics
The base-emitter voltage of an ideal transistor is

  0 V.
 1 V.
 0.3 V.
 0.7 V.

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Analog Electronics
Depending upon the switching recovery time and on state drop, the power diodes are types

  General purpose, fast recovery and schottly.
 None of these.
 General purpose, fast recovery.
 Fast recovery, Schottky.

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Analog Electronics
The base-emitter voltage of the second approximation is

 0.3 V.
 0 V.
  0.7 V.
 1 V.

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

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

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Analog Electronics
Class AB operation is often used in power large signal) amplifiers in order to

Overcome a crossover distortion
Remove even harmonics
Get maximum efficiency
Reducing collector dissipation

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