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Analog Electronics

Analog Electronics
Which process is used for adding impurity into a pure semiconductor material ?

None of these
 Conducting
 Insulating
 Doping

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Analog Electronics
A differential amplifier is invariably used in the i/p stage of all OP-amps.This is dome basically to provide the OP-amps with a very high

Open-loop gain
Slew rate
Bandwidth
CMRR

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Analog Electronics
In a MOSFET, the polarity of the inversion layer is the same as that of the

  charge on the gate electrode.
  majority carries in the substrate.
  majority carries in the source .
  minority carriers in the drain .

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Analog Electronics
What is the input impedance of a common-gate configured JFET?

  Low.
  Very low.
  High.
  Very high.

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Analog Electronics
An Op-Amp comparator circuit employs

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

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Analog Electronics
In which mode of BJT operation are both junction forward biased

  cut off.
  saturation.
  active.
  reverse active.

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