The maximum efficiency of a class B amplifier is percent.

Related MCQs

• 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 resistance loaded class A power amplifier?
• What is the maximum collector efficiency of a transformer coupled class A power amplifier?
• The maximum efficiency of resistance loaded class A power amplifier is
• A form of class A amplifier having maximum efficiency of _          uses a transformer to couple the output signal to the load.
• The maximum efficiency of a transformer-coupled class A amplifier is .
• A class C amplifier has a tank circuit in the output. The amplifier is conducting only 28°. The output voltage is
• In practice, the efficiency of a capacitively coupled class A amplifier is about %.
• Class power amplifier has the highest collector efficiency
• 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%.