Draw a circuit diagram of a transistor amplifier in CE configuration. Define the terms (i) Input resistance and (ii) Current amplification factor. How are these determined using input and output characteristics?

Define the terms input resistance and current amplification factor of a transistor in CE mode.

Draw a circuit diagram of a transistor amplifier in CE configuration. Find an expression for it’s a.c. current gain.

Draw a circuit diagram of n-p transistor amplifier in CE configuration. Under what condition does the transistor acts as an amplifier?

Define input resistance, output resistance and current amplification of a transistor.

Input and output signal of an amplifier in CE configuration are always

Draw the input and output characteristics of transistor.

(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 .

Draw a circuit diagram of C.E. transistor amplifier. Briefly explain its working and write the expression for (i) current gain (ii) voltage gain of the amplifier.

Draw a labelled circuit diagram of a transistor as a switch and draw its input and output graphs.

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.