A form of class A amplifier having maximum efficiency of _          uses a transformer to couple the output signal to the load.

Related MCQs

• In a class A transformer-coupled power amplifier, winding resistance of the transformer determine(s) the dc load line for the circuit.
• A class C amplifier has a tank circuit in the output. The amplifier is conducting only 28°. The output voltage is
• Calculate the efficiency of a transformer-coupled class A amplifier for a supply of 15 V and an output of V(p) = 10 V.
• An amplifier without feedback has a voltage gain of 50, input resistance is 1 KΩ & Output resistance of 2.5KΩ.The input resistance of the current-shunt negative feedback amplifier using the above amplifier with a feedback factor of 0.2 is
• What is the maximum collector efficiency of a transformer coupled class A power amplifier?
• The maximum efficiency of a transformer-coupled class A amplifier is .
• The output transformer used in a power amplifier is a/an                 transformer
• The output transformer used in a power amplifier is a                     transformer.
• In a class A transformer-coupled amplifier, the the value of VCEmax and the the value of VCEmin, the the efficiency to (from) the theoretical limit of 50%.
• By how much does the output signal vary for a class AB power amplifier?