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Analog Electronics

Analog Electronics
How will be the extrinsic semiconductor act at room temperature ?

 Medium Conductor
 Conductor
 Poor conductor
None of these

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Analog Electronics
The leakage electric current of a pn junction is caused by

  heat energy.
  majority carriers.
  barrier potential.
  chemical energy.

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Analog Electronics
Secondary breakdown occures in

 MOSFET but not in BJT.
 None of these.
  BJT but not is MOSFET.
 Both BJT and MOSFET.

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

  0.5 V.
  0.9 V.
  0.3 V.
  0.7 V.

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Analog Electronics
Class B amplifier is biased

 just at cut-off.
None of these
 nearly twice cut-off.
 at midpoint of load line.

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Analog Electronics
Most small - signal E - MOSFETs are found in

  discrete circuits.
  integrated circuit.
  heavy - current applications.
  disk drives.

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