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

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

With the help of lebelled circuit diagram, discuss the working of transistor as a common emitter amplifier.Find the phase relationship between input and output signals. Also define its voltage gain.

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