List three applications of Darlington pair.

 

Explain the operation of Darlington pair with the help of circuit diagram

 

Explain the working of direct coupled amplifier with circuit diagram

 

Draw and explain the frequency response of transformer-coupled amplifier

 

Explain the working of two-stage transformer coupled amplifier with circuit diagram

 

Draw and explain the frequency response of RC coupled amplifier

 

Explain the working of two-stage RC coupled amplifier with circuit diagram