Just as a voltage amplifier signal voltage a power amplifier. 

1.amplifier power 

2.amplifier signal 

3.converts the signal ac power into DC power 

4.converts a dc power into useful AC power 

1 Answer

Answer :

Just as a voltage amplifier signal voltage a power amplifier. 

1.amplifier power 

2.amplifier signal 

3.converts the signal ac power into DC power 

4.converts a dc power into useful AC power 

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