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Analog Electronics

Analog Electronics
What is the range of energy band gap of semiconductors ?

 10-15 ev
 1-3 ev
 0 ev
 14-15 ev

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Analog Electronics
The biasing circuit that gives best stability to Q point is

  base resistance biasing.
  potential divider biasing.
  feedback resistor biasing .
  emitter resistor biasing.

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

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

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Analog Electronics
A D - MOSFET is considered to be a

  normally on device.
  normally off device.
  high - power switch.
  current controlled device.

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Analog Electronics
When testing an npn transistor using an ohmmeter, the collector-emitter resistance will be low when

 the transistor is normal.
 the emitter is positive in respect to the collector.
  the transistor is defective.
 the collector is positive in respect to the emitter.

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Analog Electronics
What will be the Potential barrier for Si Diode ?

 0.05 V
 0.3 V
 0.7 V
 0.07 V

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