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Analog Electronics

Analog Electronics
Which of the following is the pentavalent material ?

 Boron
 Neon
 Arsenic
 Gallium

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Analog Electronics
Most of the electrons in the base of an NPN transistor do not recombine because they

 flow out of the base.
  have a long lifetime.
 have a negative charge.
 must flow through the base.

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

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

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Analog Electronics
Ignoring the bulk resistance of the collector diode, the collector-emitter saturation voltage is

 1 V.
  0.
 supply voltage.
 a few tenths of a volt.

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Analog Electronics
Base of a number system is also known as

 radix
 count
 shift
 value

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Analog Electronics
Which are the mobile charge carriers present in semiconductor diode ?

 Both A & B
 Electrons
 Holes
 Neutrons

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