A class A amplifier dissipates power when the load is drawing maximum power from the circuit.

Related MCQs

• A class C amplifier has a tank circuit in the output. The amplifier is conducting only 28°. The output voltage is
• In a class A transformer-coupled power amplifier, winding resistance of the transformer determine(s) the dc load line for the circuit.
• 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
• A form of class A amplifier having maximum efficiency of _          uses a transformer to couple the output signal to the load.
• You have an application for a power amplifier to operate on FM radio frequencies. The most likely choice would be a             amplifier.
• 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
• What is the maximum efficiency of a class A circuit with a direct or series-fed load connection?
• The ratio output rms power in watts to the input dc power in watts in the different amplifier class is called .