Analog Electronics
When will be the P-N junction is formed ?

None of these
 In depletion region
 Two opposite doped materials
 In reverse biased region

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Analog Electronics
The common-source JFET amplifier has

  a very high input impedance and a relatively low voltage
  no voltage gain.
  a high input impedance and a voltage gain less than 1.
  a high input impedance and a very high voltage gain.

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