Analog Electronics
Feedback circuit in an oscillator can be accomplished by

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

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Analog Electronics
Which of the following statements is false?

Class AB operation cannot be used for a push pull audio power output phase
A push pull output transformer has a centre-tapped primary
Push pull signals are equal and opposite in phase
All of these

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