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Analog Electronics

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

 1/4
 1
 1/3
 1/2

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Analog Electronics
In the second approximation, the total voltage across the zener diode is the sum of the breakdown voltage and the voltage across the

  source.
  zener diode.
  series resistor.
  zener resistance.

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

 both.
 neither.
 holes.
  free electrons.

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Analog Electronics
Barrier potential at the temperature (25°C) is 0.7 V, its value at 125°C is

  0.3 V.
  0.5 V.
  0.9 V.
  0.7 V.

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Analog Electronics
Ignoring the bulk resistance of the collector diode, the collector-emitter saturation voltage is

 1 V.
 supply voltage.
 a few tenths of a volt.
  0.

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Analog Electronics
A U shaped, opposite-polarity material built near a JFET-channel center is called the

  drain.
  block.
  gate.
  heat sink.

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MORE MCQ ON Analog Electronics

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