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Analog Electronics

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

 trivalent atoms.
 pentavalent atoms.
 free electrons.
 holes.

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

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

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Analog Electronics
When the JFET is no longer able to control the current, this point is called the

  depletion region.
  saturated point.
  pinch-off region.
  breakdown region.

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Analog Electronics
The arrow direction in diode symbol indicates

  opposite to the direction of hole flow.
  none of these.
  direction of electron flow.
  direction of hole flow.

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Analog Electronics
The negative part of the output signal in a transistor circuit starts clipping if the Q point of the circuit moves

  toward the cutoff point.
  toward the center of the load line.
None of these
  toward the saturation point.

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Analog Electronics
Semiconductor material is

 Pentavalent
 Bilateral
 Tetravalent
 Trivalent

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