Analog Electronics
Feedback circuit in an oscillator can be accomplished by

 Any one or combinations of the above methods
 Inductive coupling between input and output
 Capacitive coupling between input and output
 Resistive coupling between input and output

ANSWER DOWNLOAD EXAMIANS APP

Analog Electronics
For an NPN transistor in normal bias

  the emitter junction has high resistance.
  Je is forward biased and Jc is reverse biased.
  only majority carriers cross the collector junction.
  only holes cross the collector junction.

ANSWER DOWNLOAD EXAMIANS APP