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Analog Electronics

Analog Electronics
When the drain saturation electric current is less than IDSS a JFET acts like a

  BJT.
  battery.
  current source.
  resistor.

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Analog Electronics
A silicon pn junction in forward condition has a voltage drop closer to

 0.1 V.
 0.7 V.
 2.1 V.
 1.7 V.

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Analog Electronics
For a diode, reverse recovery time is defined as the time between the instant diode current becomes zero and the instant reverse recovery current decays to

 15% of reverse peak current.
 10% of reverse peak current.
  25% of reverse peak current.
 0.

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Analog Electronics
The Barkhausen criterion for an oscillator

 The phase of a feedback signal with respect to input should be 0° or 360°
 Both A and C
 Loop gain should be unity
 Loop gain should be less than unity

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Analog Electronics
The depletion region with in a pn junction is reduced when the junction has :

 reverse bias.
 zero bias.
 forward bias.
 all of these.

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Analog Electronics
Which of the following does not obey the Ohm's law?

 Semiconductor
None of these
 Bilateral device
 Resistor

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