What is meant by input and output resistance of a transistor amplifier in CE mode?

What are the input and output resistance of a transistor in its CE mode?

Why do we prefer to use transistor amplifier in CE mode?

Draw the input and output characteristics of NPN transistor in CE mode.

Define the dynamic output resistance of a transistor amplifier in common - emitter configuration.

What is an amplifier? Draw the simple circuit of transistor amplifier in CE mode.

Draw a neat labelled diagram of a transistor amplifier in a CE mode.

The ratio (R) of output resistance r_0 and the input resistance r, in measurements of input and output charactersitics of a transistor is typically in the range :

The ratio (R) of output resistance r_0 and the input resistance r, in measurements of input and output charactersitics of a transistor is typically in the range :

The ratio (R) of output resistance r_0 and the input resistance r, in measurements of input and output charactersitics of a transistor is typically in the range :

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