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

 Reversed biased
 Zero Bias
 Forward biased
None of these

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Analog Electronics
Voltage Series (feedback also called series-shunt feedback) results in

Increase in input impedance & decreases in output impedance
Increase in both input & output impedances
Decrease in input impedance & increase in output impedance
Decreases in both input & output impedances

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