With the help of circuit diagram, explain the working of transistor as a oscillator.

With the help of circuit diagram, explain the working of transistor as a common emitter amplifier.

With the help of labelled circuit diagram, explainthe working of transistor as a switch.

What is an oscillator ? With the help of circuit diagram explain theprinciple and working of transistor as an oscillatoris common emitter configuration, showing how feedback is accomplished by inductive