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Analog Electronics

Analog Electronics
In an NPN transistor, the majority carriers in the emitter are

  free electrons.
 neither.
 both.
 holes.

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Analog Electronics
The reverse saturation electric current of a pn junction varies with temperature (T) as

  T2.
  1 / T.
  independent of T.
  T.

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

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

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Analog Electronics
A electric current ratio of IC / IE is usually less than one and is called

  α.
  θ.
  ω.
  β.

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Analog Electronics
An instrumentation amplifier has a high

  output impedance.
  CMMR.
  power gain.
  supply voltage.

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Analog Electronics
A voltage regulator is a circuit which

  converts the AC voltage to DC voltage.
  smoothed the AC variation in DC output voltage.
None of these
  maintains constant DC output voltage inspite of the fluctu

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