Draw the circuit symbols for p-np and n-p-n transistors.

Draw the circuit symbol of photodiode.

The symbol of p-n-p transistor is

(a) Draw the circuit arrangement for studying the input and output characteristics of an n-p-n transistor in CE configuration . With the help of these characteristics define (i) input resistance , (ii) current amplification factor . (b) Describe briefly with the help of a circuit diagram how an n-p-n transistor is used to produce self-sustained oscillations .

(i) Draw a circuit diagram to study the input and output characteristics of an n-p-n transistor in its common emitter configuration. Draw the typical input and output characteristics. (ii) Explain, with the hepl of a circuit diagram, the working of n-p-n transistor as a common emitter amplifier.

In a common emitter amplifier circuit using an n-p-n transistor, the phase difference between the input and the output voltages will be:-

The circuit diagram below shows n-p-n transistor in CE configuration. For this configuration, mark the correct statement(s).

The number of terminals in n-p-n transistor is

Give a circuit diagram of a common emitter amplifier using an n-p-n transistor. Draw the input and output wavefroms of the signal. Write the expression for its voltage gain.

Draw the diagram of the circuit arangement used for studying the 'input' and the 'output' characteristics of an n-p-n transistor inits CE configuration. Briefly explain how these two types of characteristics are obtained and draw these characteristics. (b) 'Define' the terms (i) Input resistance, (ii) Output resistance , (iii) Current amplification factor, for a given transistor.

Draw typical output characteristics of an n-p-n transistor in CE configuration. Show how these characteristics can be used to determine output resistance.