
How do you calculate amplification factor.
Important Questions on Semiconductor Devices
The typical output characteristics curve for a transistor working in the common-emitter configuration is shown in the figure.
The estimated current gain from the figure is



What are the advantages of negative feedback amplifier?

In the circuit shown, the value of of the transistor is . If the supplied base current is , what is the voltage at the terminal ?








Draw a labelled diagram of a common emitter amplifier, showing waveforms of signal voltage and output voltage.


Draw a labelled circuit diagram of a transistor acting as a common emitter amplifier. What is meant by phase reversal?


If for a CE transistor amplifier circuit. The input resistance is equal to and the load resistance is equal to to , the voltage gain of the circuit is
:



In a common emitter amplifier, the input resistance and output resistance are and respectively. If the voltage gain of the amplifier is , then the power gain is

