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Analog Electronics

Analog Electronics
The majority carriers in the emitter of a PNP transistor are

 free electrons.
 holes.
 trivalent atoms.
 pentavalent atoms.

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Analog Electronics
The Q-point in a voltage amplifier is selected in the middle of the active region because

  the circuit needs a small.
  it gives distortions less output.
  it gives better stability.
  the biasing circuit then need less number of resistors.

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

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

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Analog Electronics
In CE configuration, the input V-I characteristics are drawn by taking

  VBE versus IB for constant value of IC.
  VBE versus IB for constant value of VCE.
  VBE versus IE for constant value of VCE.
  VCE versus IC for constant value of IE.

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Analog Electronics
The most commonly used transistor circuit arrangement is

  common base.
None of these
  common emitter.
  common collector.

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Analog Electronics
A diode (p-n junction) when reverse biased act as

 Zener diode
 On Switch
 Off Switch
 Capacitor

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