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Analog Electronics

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

 1
 1/3
 1/4
 1/2

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Analog Electronics
If the load resistance increases in a zener regulator, the zener current

  equals the source voltage divided by series resistance.
  Increases.
  stays the same.
  decreases.

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Analog Electronics
The collector current is 1.5 mA. If the current gain is 50, the base current is

 3 mA.
  30 µA.
 150 µA.
 3 µA.

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Analog Electronics
What will happen if doping of an intrinsic semiconductor with pentavalent impurity atom ?

 Fermi level not change
None of these
 Fermi level fall
 Fermi level raises

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Analog Electronics
A common - mode signal is applied to

  the inverting input.
  the top of the tail resistor.
  both inputs.
  the non - inverting input.

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Analog Electronics
Early effect in BJT refers to

  zener breakdown.
  thermal breakdown.
  avalanche breakdown.
  base narrowing.

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MORE MCQ ON Analog Electronics

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