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Analog Electronics

Analog Electronics
An Op-Amp comparator circuit employs

 +ve feedback.
 -ve feedback.
 both B and C.
 no feedback.

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Analog Electronics
Which of the following transistor configuration circuit is much less temperature dependent ?

  Common base.
  Common collector.
  Common emitter.
None of these

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Analog Electronics
The common-mode voltage gain is

None of these
  greater than the voltage gain.
  equal to the voltage gain.
  smaller than the voltage gain.

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Analog Electronics
If the base resistor has zero resistance, the transistor will probably be

None of these
 saturated.
  destroyed.
 in cutoff.

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Analog Electronics
For a JEFT, when VDS is increased beyond the pinch-off voltage, the drain electric current

  first increase and then decreased.
  decreases.
  remains constant.
  increased.

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Analog Electronics
Junction field effect transistors (JFET) contain how many diodes?

  3.
  4.
  2.
  1.

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