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Analog Electronics

Analog Electronics
A LED produces light when

None of these
  unbiased.
  forward biased.
  reverse biased.

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

 Both A & B
 Electrons
 Neutrons
 Holes

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Analog Electronics
Three difference Q points are shown on a load line. The upper Q point represents the

 cutoff point.
 intermediate current gain.
 minimum current gain.
  maximum current gain.

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Analog Electronics
Which of the following is a semiconductors material ?

 Ge
 Si
 All the above
 GaAs

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Analog Electronics
For a transistor amplifier with self- biasing network, the following components are used: R1 = 4 KΩ, R2 = 4 KΩ and RE = 1 KΩ, the approximate value of stability factor will be

  3.
  1.5.
  2.
  4.

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Analog Electronics
The room temperature resistivity of pure silicon is

 6
 3000
 300
 50

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