What is an electric oscillator ? With the help of labelled diagram, explain the use of junction transistor as.an oscillator.

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

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

With the help of a circuit diagram, explain the action of a N-P-N junction transistor.

With the help of a labelled diagram describe the structure of lungs.