Analog Electronics
What is the condition if no external potential energy is applied to the PN junction then diode ?

 Zero Bias
None of these
 Forward biased
 Reversed biased

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Analog Electronics
The common-source JFET amplifier has

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

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