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Analog Electronics

Analog Electronics
The feedback factor of a Wien bridge oscillator using Op-Amp is

 1/3
 1/4
 1/2
 1

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Analog Electronics
The majority carrier in P-type extrinsic semiconductor material is

None of these
 Electrons
 Both Holes and Electrons
 Holes

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Analog Electronics
An Op-Amp comparator circuit employs

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

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Analog Electronics
In a transistor leakage current mainly depends on

Doping of base
Size of emitter
Temperature
Rating of transistor

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Analog Electronics
An instrumentation amplifier has a high

  output impedance.
  supply voltage.
  CMMR.
  power gain.

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Analog Electronics
The most commonly used amplifier in sample & hold circuits is

An inverting amplifiers with a gain of 100
An inverting amplifier with a gain of 10
A unity gain inverting amplifier
A unity gain non-inverting amplifier

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