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Analog Electronics

Analog Electronics
The room temperature resistivity of pure silicon is

 50
 6
 3000
 300

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Analog Electronics
The base of an npn transistor is thin and

 metallic.
 heavily doped.
  lightly doped.
 doped by a pentavalent material.

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Analog Electronics
The current gain of a pnp transistor is

 near zero.
 the ratio of collector current to emitter current.
 the collector current divided by the emitter current.
 the negative of the npn current gain.

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Analog Electronics
When the Q point moves along the load line, VCE decreases when the collector current

  increases.
 stays the same.
None of these
 decreases.

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Analog Electronics
The main job of a voltage regulator is to provide a nearly __________________ output voltage.

  constant.
  sinusoidal.
  smooth.
  fluctuating.

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Analog Electronics
The power dissipated by a transistor approximately equals the collector current times

 0.7 V.
  collector - emitter voltage.
 base - emitter voltage.
 base supply voltage.

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MORE MCQ ON Analog Electronics

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