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Analog Electronics

Analog Electronics
In a loaded zener regulator, which is the largest current?

  Zener current.
  Load current.
None of these
  Series current.

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Analog Electronics
An emitter follower has a voltage gain that is

  approximately equal to one.
 greater than one.
 zero.
 much less than one.

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Analog Electronics
Common emitter current gain hFE of a BJT is

 Dependent on base -emitter voltage.
 Always constant.
  Dependent on collector current.
 Dependent on collector-emitter voltage.

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Analog Electronics
When the current gain increases from 50 to 300 in an emitter-biased circuit, the collector current

 increases by a factor of 6.
  remains almost the same.
 is zero.
 decreases by a factor of 6.

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Analog Electronics
The emitter of the transistor is doped

  lightly.
  none of these
  moderately.
  heavily.

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

  fluctuating.
  constant.
  sinusoidal.
  smooth.

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