Analog Electronics
The common - mode rejection ratio is

  as high as possible.
  equal to the common-mode voltage gain.
  equal to the voltage gain.
  very low.

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Analog Electronics
Which of the following statements is false?

Push pull signals are equal and opposite in phase
A push pull output transformer has a centre-tapped primary
All of these
Class AB operation cannot be used for a push pull audio power output phase

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Analog Electronics
The common-source JFET amplifier has

  a high input impedance and a voltage gain less than 1.
  a very high input impedance and a relatively low voltage
  a high input impedance and a very high voltage gain.
  no voltage gain.

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