4.1 State the need for power amplifier

 

4.2 Compare voltage and power amplifier

 

4.3 Classify power amplifiers based on period of conduction

 

4.4 Explain the working of Class A, Class B, Class AB and Class C amplifiers with waveforms

 

4.5 Explain the working of Class-B Push-pull amplifier with circuit diagram

 

4.6 Explain the working of complementary symmetry Push-pull power amplifier with circuit diagram

 

4.7 List different distortions in power amplifiers