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Analog Electronics

Analog Electronics
Which types of device is the diode ?

None of these
 Insulator
 Semiconductor
 Conductor

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Analog Electronics
Which material behave like perfect insulators at low temperatures & conductor at higher temperature ?

 Si
 All the above
 Ge
 GaAs

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Analog Electronics
Secondary breakdown occures in

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

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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
The barrier potential across each silicon depletion layer is

 1 V.
 0 V.
  0.7 V.
 0.3 V.

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Analog Electronics
The extremely high input impedance of a MOSFET is primarily due to the

  depletion of electric current carriers.
  absence of its channel.
  extremely small leakage electric current of its gate capacitor.
  negative gate-source voltage.

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