Kumar Mittal Solutions for Exercise 1: QUESTIONS

With proper labelling of the axes, draw the input and output characteristic curves of $n-p-n$ transistor in common-emitter configuration.

Draw a labelled circuit diagram of a simple common- emitter amplifier. What is the phase angle between the input and output voltages?

Figure below shows the circuit of an electronic device: Which electronic device : a rectifier, an amplifier or an oscillator does the circuit represent?

Figure below shows the circuit of an electronic device: State where the input voltage is applied and where the output voltage is available.

Figure below shows the circuit of an electronic device: Compare the output voltage of this circuit with its input voltage.

What is transistor? Draw circuit diagram of $n-p-n$ transistor. Explain the drifting of holes and free electrons and write its advantages over $p-n-p$ transistor.

Draw a labelled circuit diagram of common emitter amplifier. Explain the recombination of holes and electrons at junctions and write phase relationship between input and output voltages.

Explain input and output characteristics of a common emitter transistor and obtain expression for current gain and input resistance and output resistance.