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Analog Electronics

Analog Electronics
In a transistor leakage current mainly depends on

Size of emitter
Rating of transistor
Temperature
Doping of base

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Analog Electronics
The value of total collector electric current in a CB circuit is

  IC = αIE.
  IC = αIE + ICO.
  IC = βIE.
  IC = αIE - ICO.

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

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

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Analog Electronics
When testing an npn transistor using an ohmmeter, the collector-emitter resistance will be low when

 the collector is positive in respect to the emitter.
  the transistor is defective.
 the emitter is positive in respect to the collector.
 the transistor is normal.

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Analog Electronics
Why holes are not created in a metal ?

 The conduction band and valance band are overlapped
None of these
 Both 1 & 2
 The forbidden band is missing

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Analog Electronics
Given (135)x + (144)x = (323)x what is the value of base x?

 5
 3
 4
 6

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